21395848

素因数分解:

$2^3\times {\mathrm{757}}^1\times {\mathrm{3533}}^1$

素因数の和:4296

約数の個数: 16

約数和(自身を含む): 40181580

約数和(自身を除く): 18785732

約数列:

[1, 2, 4, 8, 757, 1514, 3028, 3533, 6056, 7066, 14132, 28264, 2674481, 5348962, 10697924, 21395848]

約数ペア:

[(1, 21395848), (2, 10697924), (4, 5348962), (8, 2674481), (757, 28264), (1514, 14132), (3028, 7066), (3533, 6056)]