21902110

素因数分解:

$2^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{4751}}^1$

素因数の和:5219

約数の個数: 16

約数和(自身を含む): 39517632

約数和(自身を除く): 17615522

約数列:

[1, 2, 5, 10, 461, 922, 2305, 4610, 4751, 9502, 23755, 47510, 2190211, 4380422, 10951055, 21902110]

約数ペア:

[(1, 21902110), (2, 10951055), (5, 4380422), (10, 2190211), (461, 47510), (922, 23755), (2305, 9502), (4610, 4751)]