21104798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{677}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 37588320

約数和(自身を除く): 16483522

約数列:

[1, 2, 11, 13, 22, 26, 109, 143, 218, 286, 677, 1199, 1354, 1417, 2398, 2834, 7447, 8801, 14894, 15587, 17602, 31174, 73793, 96811, 147586, 193622, 811723, 959309, 1623446, 1918618, 10552399, 21104798]

約数ペア:

[(1, 21104798), (2, 10552399), (11, 1918618), (13, 1623446), (22, 959309), (26, 811723), (109, 193622), (143, 147586), (218, 96811), (286, 73793), (677, 31174), (1199, 17602), (1354, 15587), (1417, 14894), (2398, 8801), (2834, 7447)]