21975914520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{152993}}^1$

素因数の和:153039

約数の個数: 256

約数和(自身を含む): 88124544000

約数和(自身を除く): 66148629480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1596, 1710, 1890, 1995, 2052, 2280, 2394, 2520, 2565, 2660, 3192, 3420, 3591, 3780, 3990, 4104, 4788, 5130, 5320, 5985, 6840, 7182, 7560, 7980, 9576, 10260, 11970, 14364, 15960, 17955, 20520, 23940, 28728, 35910, 47880, 71820, 143640, 152993, 305986, 458979, 611972, 764965, 917958, 1070951, 1223944, 1376937, 1529930, 1835916, 2141902, 2294895, 2753874, 2906867, 3059860, 3212853, 3671832, 4130811, 4283804, 4589790, 5354755, 5507748, 5813734, 6119720, 6425706, 6884685, 8261622, 8567608, 8720601, 9179580, 9638559, 10709510, 11015496, 11627468, 12851412, 13769370, 14534335, 16064265, 16523244, 17441202, 18359160, 19277118, 20348069, 20654055, 21419020, 23254936, 25702824, 26161803, 27538740, 28915677, 29068670, 32128530, 33046488, 34882404, 38554236, 40696138, 41308110, 42838040, 43603005, 48192795, 52323606, 55077480, 57831354, 58137340, 61044207, 64257060, 69764808, 77108472, 78485409, 81392276, 82616220, 87206010, 96385590, 101740345, 104647212, 115662708, 116274680, 122088414, 128514120, 130809015, 144578385, 156970818, 162784552, 165232440, 174412020, 183132621, 192771180, 203480690, 209294424, 231325416, 244176828, 261618030, 289156770, 305221035, 313941636, 348824040, 366265242, 385542360, 392427045, 406961380, 488353656, 523236060, 549397863, 578313540, 610442070, 627883272, 732530484, 784854090, 813922760, 915663105, 1046472120, 1098795726, 1156627080, 1220884140, 1465060968, 1569708180, 1831326210, 2197591452, 2441768280, 2746989315, 3139416360, 3662652420, 4395182904, 5493978630, 7325304840, 10987957260, 21975914520]

約数ペア:

[(1, 21975914520), (2, 10987957260), (3, 7325304840), (4, 5493978630), (5, 4395182904), (6, 3662652420), (7, 3139416360), (8, 2746989315), (9, 2441768280), (10, 2197591452), (12, 1831326210), (14, 1569708180), (15, 1465060968), (18, 1220884140), (19, 1156627080), (20, 1098795726), (21, 1046472120), (24, 915663105), (27, 813922760), (28, 784854090), (30, 732530484), (35, 627883272), (36, 610442070), (38, 578313540), (40, 549397863), (42, 523236060), (45, 488353656), (54, 406961380), (56, 392427045), (57, 385542360), (60, 366265242), (63, 348824040), (70, 313941636), (72, 305221035), (76, 289156770), (84, 261618030), (90, 244176828), (95, 231325416), (105, 209294424), (108, 203480690), (114, 192771180), (120, 183132621), (126, 174412020), (133, 165232440), (135, 162784552), (140, 156970818), (152, 144578385), (168, 130809015), (171, 128514120), (180, 122088414), (189, 116274680), (190, 115662708), (210, 104647212), (216, 101740345), (228, 96385590), (252, 87206010), (266, 82616220), (270, 81392276), (280, 78485409), (285, 77108472), (315, 69764808), (342, 64257060), (360, 61044207), (378, 58137340), (380, 57831354), (399, 55077480), (420, 52323606), (456, 48192795), (504, 43603005), (513, 42838040), (532, 41308110), (540, 40696138), (570, 38554236), (630, 34882404), (665, 33046488), (684, 32128530), (756, 29068670), (760, 28915677), (798, 27538740), (840, 26161803), (855, 25702824), (945, 23254936), (1026, 21419020), (1064, 20654055), (1080, 20348069), (1140, 19277118), (1197, 18359160), (1260, 17441202), (1330, 16523244), (1368, 16064265), (1512, 14534335), (1596, 13769370), (1710, 12851412), (1890, 11627468), (1995, 11015496), (2052, 10709510), (2280, 9638559), (2394, 9179580), (2520, 8720601), (2565, 8567608), (2660, 8261622), (3192, 6884685), (3420, 6425706), (3591, 6119720), (3780, 5813734), (3990, 5507748), (4104, 5354755), (4788, 4589790), (5130, 4283804), (5320, 4130811), (5985, 3671832), (6840, 3212853), (7182, 3059860), (7560, 2906867), (7980, 2753874), (9576, 2294895), (10260, 2141902), (11970, 1835916), (14364, 1529930), (15960, 1376937), (17955, 1223944), (20520, 1070951), (23940, 917958), (28728, 764965), (35910, 611972), (47880, 458979), (71820, 305986), (143640, 152993)]