21096250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{2411}}^1$

素因数の和:2440

約数の個数: 40

約数和(自身を含む): 45210528

約数和(自身を除く): 24114278

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 625, 875, 1250, 1750, 2411, 4375, 4822, 8750, 12055, 16877, 24110, 33754, 60275, 84385, 120550, 168770, 301375, 421925, 602750, 843850, 1506875, 2109625, 3013750, 4219250, 10548125, 21096250]

約数ペア:

[(1, 21096250), (2, 10548125), (5, 4219250), (7, 3013750), (10, 2109625), (14, 1506875), (25, 843850), (35, 602750), (50, 421925), (70, 301375), (125, 168770), (175, 120550), (250, 84385), (350, 60275), (625, 33754), (875, 24110), (1250, 16877), (1750, 12055), (2411, 8750), (4375, 4822)]