21207476

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 37847040

約数和(自身を除く): 16639564

約数列:

[1, 2, 4, 109, 127, 218, 254, 383, 436, 508, 766, 1532, 13843, 27686, 41747, 48641, 55372, 83494, 97282, 166988, 194564, 5301869, 10603738, 21207476]

約数ペア:

[(1, 21207476), (2, 10603738), (4, 5301869), (109, 194564), (127, 166988), (218, 97282), (254, 83494), (383, 55372), (436, 48641), (508, 41747), (766, 27686), (1532, 13843)]