21291246004

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{125707}}^1$

素因数の和:126004

約数の個数: 48

約数和(自身を含む): 44603209728

約数和(自身を除く): 23311963724

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 263, 322, 526, 644, 1052, 1841, 3682, 6049, 7364, 12098, 24196, 42343, 84686, 125707, 169372, 251414, 502828, 879949, 1759898, 2891261, 3519796, 5782522, 11565044, 20238827, 33060941, 40477654, 66121882, 80955308, 132243764, 231426587, 462853174, 760401643, 925706348, 1520803286, 3041606572, 5322811501, 10645623002, 21291246004]

約数ペア:

[(1, 21291246004), (2, 10645623002), (4, 5322811501), (7, 3041606572), (14, 1520803286), (23, 925706348), (28, 760401643), (46, 462853174), (92, 231426587), (161, 132243764), (263, 80955308), (322, 66121882), (526, 40477654), (644, 33060941), (1052, 20238827), (1841, 11565044), (3682, 5782522), (6049, 3519796), (7364, 2891261), (12098, 1759898), (24196, 879949), (42343, 502828), (84686, 251414), (125707, 169372)]