21541547160

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149969}}^1$

素因数の和:150015

約数の個数: 256

約数和(自身を含む): 86382720000

約数和(自身を除く): 64841172840

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, 149969, 299938, 449907, 599876, 749845, 899814, 1049783, 1199752, 1349721, 1499690, 1799628, 2099566, 2249535, 2699442, 2849411, 2999380, 3149349, 3599256, 4049163, 4199132, 4499070, 5248915, 5398884, 5698822, 5998760, 6298698, 6748605, 8098326, 8398264, 8548233, 8998140, 9448047, 10497830, 10797768, 11397644, 12597396, 13497210, 14247055, 15746745, 16196652, 17096466, 17996280, 18896094, 19945877, 20245815, 20995660, 22795288, 25194792, 25644699, 26994420, 28344141, 28494110, 31493490, 32393304, 34192932, 37792188, 39891754, 40491630, 41991320, 42741165, 47240235, 51289398, 53988840, 56688282, 56988220, 59837631, 62986980, 68385864, 75584376, 76934097, 79783508, 80983260, 85482330, 94480470, 99729385, 102578796, 113376564, 113976440, 119675262, 125973960, 128223495, 141720705, 153868194, 159567016, 161966520, 170964660, 179512893, 188960940, 199458770, 205157592, 226753128, 239350524, 256446990, 283441410, 299188155, 307736388, 341929320, 359025786, 377921880, 384670485, 398917540, 478701048, 512893980, 538538679, 566882820, 598376310, 615472776, 718051572, 769340970, 797835080, 897564465, 1025787960, 1077077358, 1133765640, 1196752620, 1436103144, 1538681940, 1795128930, 2154154716, 2393505240, 2692693395, 3077363880, 3590257860, 4308309432, 5385386790, 7180515720, 10770773580, 21541547160]

約数ペア:

[(1, 21541547160), (2, 10770773580), (3, 7180515720), (4, 5385386790), (5, 4308309432), (6, 3590257860), (7, 3077363880), (8, 2692693395), (9, 2393505240), (10, 2154154716), (12, 1795128930), (14, 1538681940), (15, 1436103144), (18, 1196752620), (19, 1133765640), (20, 1077077358), (21, 1025787960), (24, 897564465), (27, 797835080), (28, 769340970), (30, 718051572), (35, 615472776), (36, 598376310), (38, 566882820), (40, 538538679), (42, 512893980), (45, 478701048), (54, 398917540), (56, 384670485), (57, 377921880), (60, 359025786), (63, 341929320), (70, 307736388), (72, 299188155), (76, 283441410), (84, 256446990), (90, 239350524), (95, 226753128), (105, 205157592), (108, 199458770), (114, 188960940), (120, 179512893), (126, 170964660), (133, 161966520), (135, 159567016), (140, 153868194), (152, 141720705), (168, 128223495), (171, 125973960), (180, 119675262), (189, 113976440), (190, 113376564), (210, 102578796), (216, 99729385), (228, 94480470), (252, 85482330), (266, 80983260), (270, 79783508), (280, 76934097), (285, 75584376), (315, 68385864), (342, 62986980), (360, 59837631), (378, 56988220), (380, 56688282), (399, 53988840), (420, 51289398), (456, 47240235), (504, 42741165), (513, 41991320), (532, 40491630), (540, 39891754), (570, 37792188), (630, 34192932), (665, 32393304), (684, 31493490), (756, 28494110), (760, 28344141), (798, 26994420), (840, 25644699), (855, 25194792), (945, 22795288), (1026, 20995660), (1064, 20245815), (1080, 19945877), (1140, 18896094), (1197, 17996280), (1260, 17096466), (1330, 16196652), (1368, 15746745), (1512, 14247055), (1596, 13497210), (1710, 12597396), (1890, 11397644), (1995, 10797768), (2052, 10497830), (2280, 9448047), (2394, 8998140), (2520, 8548233), (2565, 8398264), (2660, 8098326), (3192, 6748605), (3420, 6298698), (3591, 5998760), (3780, 5698822), (3990, 5398884), (4104, 5248915), (4788, 4499070), (5130, 4199132), (5320, 4049163), (5985, 3599256), (6840, 3149349), (7182, 2999380), (7560, 2849411), (7980, 2699442), (9576, 2249535), (10260, 2099566), (11970, 1799628), (14364, 1499690), (15960, 1349721), (17955, 1199752), (20520, 1049783), (23940, 899814), (28728, 749845), (35910, 599876), (47880, 449907), (71820, 299938), (143640, 149969)]