21225795

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{9497}}^1$

素因数の和:9654

約数の個数: 16

約数和(自身を含む): 34192800

約数和(自身を除く): 12967005

約数列:

[1, 3, 5, 15, 149, 447, 745, 2235, 9497, 28491, 47485, 142455, 1415053, 4245159, 7075265, 21225795]

約数ペア:

[(1, 21225795), (3, 7075265), (5, 4245159), (15, 1415053), (149, 142455), (447, 47485), (745, 28491), (2235, 9497)]