21371848

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{24509}}^1$

素因数の和:24624

約数の個数: 16

約数和(自身を含む): 40441500

約数和(自身を除く): 19069652

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 24509, 49018, 98036, 196072, 2671481, 5342962, 10685924, 21371848]

約数ペア:

[(1, 21371848), (2, 10685924), (4, 5342962), (8, 2671481), (109, 196072), (218, 98036), (436, 49018), (872, 24509)]