21086700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{70289}}^1$

素因数の和:70306

約数の個数: 36

約数和(自身を含む): 61011720

約数和(自身を除く): 39925020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 70289, 140578, 210867, 281156, 351445, 421734, 702890, 843468, 1054335, 1405780, 1757225, 2108670, 3514450, 4217340, 5271675, 7028900, 10543350, 21086700]

約数ペア:

[(1, 21086700), (2, 10543350), (3, 7028900), (4, 5271675), (5, 4217340), (6, 3514450), (10, 2108670), (12, 1757225), (15, 1405780), (20, 1054335), (25, 843468), (30, 702890), (50, 421734), (60, 351445), (75, 281156), (100, 210867), (150, 140578), (300, 70289)]