21122515514

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1\times {\mathrm{405407}}^1$

素因数の和:405757

約数の個数: 16

約数和(自身を含む): 32108313600

約数和(自身を除く): 10985798086

約数列:

[1, 2, 109, 218, 239, 478, 26051, 52102, 405407, 810814, 44189363, 88378726, 96892273, 193784546, 10561257757, 21122515514]

約数ペア:

[(1, 21122515514), (2, 10561257757), (109, 193784546), (218, 96892273), (239, 88378726), (478, 44189363), (26051, 810814), (52102, 405407)]