21628095

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{9677}}^1$

素因数の和:9834

約数の個数: 16

約数和(自身を含む): 34840800

約数和(自身を除く): 13212705

約数列:

[1, 3, 5, 15, 149, 447, 745, 2235, 9677, 29031, 48385, 145155, 1441873, 4325619, 7209365, 21628095]

約数ペア:

[(1, 21628095), (3, 7209365), (5, 4325619), (15, 1441873), (149, 145155), (447, 48385), (745, 29031), (2235, 9677)]