21810325

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 28623168

約数和(自身を除く): 6812843

約数列:

[1, 5, 23, 25, 83, 115, 415, 457, 575, 1909, 2075, 2285, 9545, 10511, 11425, 37931, 47725, 52555, 189655, 262775, 872413, 948275, 4362065, 21810325]

約数ペア:

[(1, 21810325), (5, 4362065), (23, 948275), (25, 872413), (83, 262775), (115, 189655), (415, 52555), (457, 47725), (575, 37931), (1909, 11425), (2075, 10511), (2285, 9545)]