21358192

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{4211}}^1$

素因数の和:4536

約数の個数: 20

約数和(自身を含む): 41521896

約数和(自身を除く): 20163704

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 4211, 5072, 8422, 16844, 33688, 67376, 1334887, 2669774, 5339548, 10679096, 21358192]

約数ペア:

[(1, 21358192), (2, 10679096), (4, 5339548), (8, 2669774), (16, 1334887), (317, 67376), (634, 33688), (1268, 16844), (2536, 8422), (4211, 5072)]