21410072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157427}}^1$

素因数の和:157450

約数の個数: 16

約数和(自身を含む): 42505560

約数和(自身を除く): 21095488

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157427, 314854, 629708, 1259416, 2676259, 5352518, 10705036, 21410072]

約数ペア:

[(1, 21410072), (2, 10705036), (4, 5352518), (8, 2676259), (17, 1259416), (34, 629708), (68, 314854), (136, 157427)]