21905348514

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{701}}^1\times {\mathrm{12197}}^1$

素因数の和:12971

約数の個数: 64

約数和(自身を含む): 50966952192

約数和(自身を除く): 29061603678

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 701, 854, 1281, 1402, 2103, 2562, 4206, 4907, 9814, 12197, 14721, 24394, 29442, 36591, 42761, 73182, 85379, 85522, 128283, 170758, 256137, 256566, 299327, 512274, 598654, 744017, 897981, 1488034, 1795962, 2232051, 4464102, 5208119, 8550097, 10416238, 15624357, 17100194, 25650291, 31248714, 51300582, 59850679, 119701358, 179552037, 359104074, 521555917, 1043111834, 1564667751, 3129335502, 3650891419, 7301782838, 10952674257, 21905348514]

約数ペア:

[(1, 21905348514), (2, 10952674257), (3, 7301782838), (6, 3650891419), (7, 3129335502), (14, 1564667751), (21, 1043111834), (42, 521555917), (61, 359104074), (122, 179552037), (183, 119701358), (366, 59850679), (427, 51300582), (701, 31248714), (854, 25650291), (1281, 17100194), (1402, 15624357), (2103, 10416238), (2562, 8550097), (4206, 5208119), (4907, 4464102), (9814, 2232051), (12197, 1795962), (14721, 1488034), (24394, 897981), (29442, 744017), (36591, 598654), (42761, 512274), (73182, 299327), (85379, 256566), (85522, 256137), (128283, 170758)]