21449968260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^2\times {\mathrm{367}}^1$

素因数の和:551

約数の個数: 288

約数和(自身を含む): 72123383808

約数和(自身を除く): 50673415548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 67, 70, 84, 93, 105, 124, 134, 140, 155, 186, 201, 210, 217, 268, 310, 335, 367, 372, 402, 420, 434, 465, 469, 620, 651, 670, 734, 804, 868, 930, 938, 1005, 1085, 1101, 1302, 1340, 1407, 1468, 1835, 1860, 1876, 2010, 2077, 2170, 2202, 2345, 2569, 2604, 2814, 3255, 3670, 4020, 4154, 4340, 4404, 4489, 4690, 5138, 5505, 5628, 6231, 6510, 7035, 7340, 7707, 8308, 8978, 9380, 10276, 10385, 11010, 11377, 12462, 12845, 13020, 13467, 14070, 14539, 15414, 17956, 20770, 22020, 22445, 22754, 24589, 24924, 25690, 26934, 28140, 29078, 30828, 31155, 31423, 34131, 38535, 41540, 43617, 44890, 45508, 49178, 51380, 53868, 56885, 58156, 62310, 62846, 67335, 68262, 72695, 73767, 77070, 79639, 87234, 89780, 94269, 98356, 113770, 122945, 124620, 125692, 134670, 136524, 139159, 145390, 147534, 154140, 157115, 159278, 170655, 172123, 174468, 188538, 218085, 227540, 238917, 245890, 269340, 278318, 290780, 295068, 314230, 318556, 341310, 344246, 368835, 377076, 398195, 417477, 436170, 471345, 477834, 491780, 516369, 556636, 628460, 682620, 688492, 695795, 737670, 762259, 796390, 834954, 860615, 872340, 942690, 955668, 974113, 1032738, 1194585, 1391590, 1475340, 1524518, 1592780, 1647463, 1669908, 1721230, 1885380, 1948226, 2065476, 2087385, 2286777, 2389170, 2581845, 2783180, 2922339, 3049036, 3294926, 3442460, 3811295, 3896452, 4174770, 4573554, 4778340, 4870565, 4942389, 5163690, 5335813, 5844678, 6589852, 7622590, 8237315, 8349540, 9147108, 9741130, 9884778, 10327380, 10671626, 11433885, 11532241, 11689356, 14611695, 15245180, 16007439, 16474630, 19482260, 19769556, 21343252, 22867770, 23064482, 24711945, 26679065, 29223390, 32014878, 32949260, 34596723, 45735540, 46128964, 49423890, 51071353, 53358130, 57661205, 58446780, 64029756, 69193446, 80037195, 98847780, 102142706, 106716260, 115322410, 138386892, 153214059, 160074390, 172983615, 204285412, 230644820, 255356765, 306428118, 320148780, 345967230, 357499471, 510713530, 612856236, 691934460, 714998942, 766070295, 1021427060, 1072498413, 1429997884, 1532140590, 1787497355, 2144996826, 3064281180, 3574994710, 4289993652, 5362492065, 7149989420, 10724984130, 21449968260]

約数ペア:

[(1, 21449968260), (2, 10724984130), (3, 7149989420), (4, 5362492065), (5, 4289993652), (6, 3574994710), (7, 3064281180), (10, 2144996826), (12, 1787497355), (14, 1532140590), (15, 1429997884), (20, 1072498413), (21, 1021427060), (28, 766070295), (30, 714998942), (31, 691934460), (35, 612856236), (42, 510713530), (60, 357499471), (62, 345967230), (67, 320148780), (70, 306428118), (84, 255356765), (93, 230644820), (105, 204285412), (124, 172983615), (134, 160074390), (140, 153214059), (155, 138386892), (186, 115322410), (201, 106716260), (210, 102142706), (217, 98847780), (268, 80037195), (310, 69193446), (335, 64029756), (367, 58446780), (372, 57661205), (402, 53358130), (420, 51071353), (434, 49423890), (465, 46128964), (469, 45735540), (620, 34596723), (651, 32949260), (670, 32014878), (734, 29223390), (804, 26679065), (868, 24711945), (930, 23064482), (938, 22867770), (1005, 21343252), (1085, 19769556), (1101, 19482260), (1302, 16474630), (1340, 16007439), (1407, 15245180), (1468, 14611695), (1835, 11689356), (1860, 11532241), (1876, 11433885), (2010, 10671626), (2077, 10327380), (2170, 9884778), (2202, 9741130), (2345, 9147108), (2569, 8349540), (2604, 8237315), (2814, 7622590), (3255, 6589852), (3670, 5844678), (4020, 5335813), (4154, 5163690), (4340, 4942389), (4404, 4870565), (4489, 4778340), (4690, 4573554), (5138, 4174770), (5505, 3896452), (5628, 3811295), (6231, 3442460), (6510, 3294926), (7035, 3049036), (7340, 2922339), (7707, 2783180), (8308, 2581845), (8978, 2389170), (9380, 2286777), (10276, 2087385), (10385, 2065476), (11010, 1948226), (11377, 1885380), (12462, 1721230), (12845, 1669908), (13020, 1647463), (13467, 1592780), (14070, 1524518), (14539, 1475340), (15414, 1391590), (17956, 1194585), (20770, 1032738), (22020, 974113), (22445, 955668), (22754, 942690), (24589, 872340), (24924, 860615), (25690, 834954), (26934, 796390), (28140, 762259), (29078, 737670), (30828, 695795), (31155, 688492), (31423, 682620), (34131, 628460), (38535, 556636), (41540, 516369), (43617, 491780), (44890, 477834), (45508, 471345), (49178, 436170), (51380, 417477), (53868, 398195), (56885, 377076), (58156, 368835), (62310, 344246), (62846, 341310), (67335, 318556), (68262, 314230), (72695, 295068), (73767, 290780), (77070, 278318), (79639, 269340), (87234, 245890), (89780, 238917), (94269, 227540), (98356, 218085), (113770, 188538), (122945, 174468), (124620, 172123), (125692, 170655), (134670, 159278), (136524, 157115), (139159, 154140), (145390, 147534)]