21271967132

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{569}}^1\times {\mathrm{1907}}^1$

素因数の和:2535

約数の個数: 72

約数和(自身を含む): 41794930800

約数和(自身を除く): 20522963668

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 169, 338, 377, 569, 676, 754, 1138, 1508, 1907, 2276, 3814, 4901, 7397, 7628, 9802, 14794, 16501, 19604, 24791, 29588, 33002, 49582, 55303, 66004, 96161, 99164, 110606, 192322, 214513, 221212, 322283, 384644, 429026, 644566, 718939, 858052, 1085083, 1289132, 1437878, 2170166, 2788669, 2875756, 4340332, 5577338, 9346207, 11154676, 14106079, 18692414, 28212158, 31467407, 37384828, 56424316, 62934814, 125869628, 183379027, 366758054, 409076291, 733516108, 818152582, 1636305164, 5317991783, 10635983566, 21271967132]

約数ペア:

[(1, 21271967132), (2, 10635983566), (4, 5317991783), (13, 1636305164), (26, 818152582), (29, 733516108), (52, 409076291), (58, 366758054), (116, 183379027), (169, 125869628), (338, 62934814), (377, 56424316), (569, 37384828), (676, 31467407), (754, 28212158), (1138, 18692414), (1508, 14106079), (1907, 11154676), (2276, 9346207), (3814, 5577338), (4901, 4340332), (7397, 2875756), (7628, 2788669), (9802, 2170166), (14794, 1437878), (16501, 1289132), (19604, 1085083), (24791, 858052), (29588, 718939), (33002, 644566), (49582, 429026), (55303, 384644), (66004, 322283), (96161, 221212), (99164, 214513), (110606, 192322)]