21170270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11321}}^1$

素因数の和:11356

約数の個数: 32

約数和(自身を含む): 44019936

約数和(自身を除く): 22849666

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 11321, 22642, 56605, 113210, 124531, 192457, 249062, 384914, 622655, 962285, 1245310, 1924570, 2117027, 4234054, 10585135, 21170270]

約数ペア:

[(1, 21170270), (2, 10585135), (5, 4234054), (10, 2117027), (11, 1924570), (17, 1245310), (22, 962285), (34, 622655), (55, 384914), (85, 249062), (110, 192457), (170, 124531), (187, 113210), (374, 56605), (935, 22642), (1870, 11321)]