21296848

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{5303}}^1$

素因数の和:5562

約数の個数: 20

約数和(自身を含む): 41434848

約数和(自身を除く): 20138000

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 5303, 10606, 21212, 42424, 84848, 1331053, 2662106, 5324212, 10648424, 21296848]

約数ペア:

[(1, 21296848), (2, 10648424), (4, 5324212), (8, 2662106), (16, 1331053), (251, 84848), (502, 42424), (1004, 21212), (2008, 10606), (4016, 5303)]