21837925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 28551744

約数和(自身を除く): 6713819

約数列:

[1, 5, 23, 25, 115, 163, 233, 575, 815, 1165, 3749, 4075, 5359, 5825, 18745, 26795, 37979, 93725, 133975, 189895, 873517, 949475, 4367585, 21837925]

約数ペア:

[(1, 21837925), (5, 4367585), (23, 949475), (25, 873517), (115, 189895), (163, 133975), (233, 93725), (575, 37979), (815, 26795), (1165, 18745), (3749, 5825), (4075, 5359)]