21157450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{22271}}^1$

素因数の和:22302

約数の個数: 24

約数和(自身を含む): 41425920

約数和(自身を除く): 20268470

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 22271, 44542, 111355, 222710, 423149, 556775, 846298, 1113550, 2115745, 4231490, 10578725, 21157450]

約数ペア:

[(1, 21157450), (2, 10578725), (5, 4231490), (10, 2115745), (19, 1113550), (25, 846298), (38, 556775), (50, 423149), (95, 222710), (190, 111355), (475, 44542), (950, 22271)]