21069250

素因数分解:

$2^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{1187}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 40030848

約数和(自身を除く): 18961598

約数列:

[1, 2, 5, 10, 25, 50, 71, 125, 142, 250, 355, 710, 1187, 1775, 2374, 3550, 5935, 8875, 11870, 17750, 29675, 59350, 84277, 148375, 168554, 296750, 421385, 842770, 2106925, 4213850, 10534625, 21069250]

約数ペア:

[(1, 21069250), (2, 10534625), (5, 4213850), (10, 2106925), (25, 842770), (50, 421385), (71, 296750), (125, 168554), (142, 148375), (250, 84277), (355, 59350), (710, 29675), (1187, 17750), (1775, 11870), (2374, 8875), (3550, 5935)]