21627125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{13309}}^1$

素因数の和:13337

約数の個数: 16

約数和(自身を含む): 29069040

約数和(自身を除く): 7441915

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 13309, 66545, 173017, 332725, 865085, 1663625, 4325425, 21627125]

約数ペア:

[(1, 21627125), (5, 4325425), (13, 1663625), (25, 865085), (65, 332725), (125, 173017), (325, 66545), (1625, 13309)]