21742005

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{46757}}^1$

素因数の和:46796

約数の個数: 16

約数和(自身を含む): 35910144

約数和(自身を除く): 14168139

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 46757, 140271, 233785, 701355, 1449467, 4348401, 7247335, 21742005]

約数ペア:

[(1, 21742005), (3, 7247335), (5, 4348401), (15, 1449467), (31, 701355), (93, 233785), (155, 140271), (465, 46757)]