21007156696

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{84706277}}^1$

素因数の和:84706314

約数の個数: 16

約数和(自身を含む): 40659013440

約数和(自身を除く): 19651856744

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 84706277, 169412554, 338825108, 677650216, 2625894587, 5251789174, 10503578348, 21007156696]

約数ペア:

[(1, 21007156696), (2, 10503578348), (4, 5251789174), (8, 2625894587), (31, 677650216), (62, 338825108), (124, 169412554), (248, 84706277)]