21871875

素因数分解:

$3^1\times 5^5\times {\mathrm{2333}}^1$

素因数の和:2361

約数の個数: 24

約数和(自身を含む): 36466416

約数和(自身を除く): 14594541

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 2333, 3125, 6999, 9375, 11665, 34995, 58325, 174975, 291625, 874875, 1458125, 4374375, 7290625, 21871875]

約数ペア:

[(1, 21871875), (3, 7290625), (5, 4374375), (15, 1458125), (25, 874875), (75, 291625), (125, 174975), (375, 58325), (625, 34995), (1875, 11665), (2333, 9375), (3125, 6999)]