21001150

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{6269}}^1$

素因数の和:6348

約数の個数: 24

約数和(自身を含む): 39651480

約数和(自身を除く): 18650330

約数列:

[1, 2, 5, 10, 25, 50, 67, 134, 335, 670, 1675, 3350, 6269, 12538, 31345, 62690, 156725, 313450, 420023, 840046, 2100115, 4200230, 10500575, 21001150]

約数ペア:

[(1, 21001150), (2, 10500575), (5, 4200230), (10, 2100115), (25, 840046), (50, 420023), (67, 313450), (134, 156725), (335, 62690), (670, 31345), (1675, 12538), (3350, 6269)]