21151365

素因数分解:

$3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{5851}}^1$

素因数の和:6100

約数の個数: 16

約数和(自身を含む): 33988416

約数和(自身を除く): 12837051

約数列:

[1, 3, 5, 15, 241, 723, 1205, 3615, 5851, 17553, 29255, 87765, 1410091, 4230273, 7050455, 21151365]

約数ペア:

[(1, 21151365), (3, 7050455), (5, 4230273), (15, 1410091), (241, 87765), (723, 29255), (1205, 17553), (3615, 5851)]