21945850

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{6551}}^1$

素因数の和:6630

約数の個数: 24

約数和(自身を含む): 41434848

約数和(自身を除く): 19488998

約数列:

[1, 2, 5, 10, 25, 50, 67, 134, 335, 670, 1675, 3350, 6551, 13102, 32755, 65510, 163775, 327550, 438917, 877834, 2194585, 4389170, 10972925, 21945850]

約数ペア:

[(1, 21945850), (2, 10972925), (5, 4389170), (10, 2194585), (25, 877834), (50, 438917), (67, 327550), (134, 163775), (335, 65510), (670, 32755), (1675, 13102), (3350, 6551)]