21466970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2341}}^1$

素因数の和:2486

約数の個数: 32

約数和(自身を含む): 44516736

約数和(自身を除く): 23049766

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 655, 917, 1310, 1834, 2341, 4585, 4682, 9170, 11705, 16387, 23410, 32774, 81935, 163870, 306671, 613342, 1533355, 2146697, 3066710, 4293394, 10733485, 21466970]

約数ペア:

[(1, 21466970), (2, 10733485), (5, 4293394), (7, 3066710), (10, 2146697), (14, 1533355), (35, 613342), (70, 306671), (131, 163870), (262, 81935), (655, 32774), (917, 23410), (1310, 16387), (1834, 11705), (2341, 9170), (4585, 4682)]