21002295

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{9397}}^1$

素因数の和:9554

約数の個数: 16

約数和(自身を含む): 33832800

約数和(自身を除く): 12830505

約数列:

[1, 3, 5, 15, 149, 447, 745, 2235, 9397, 28191, 46985, 140955, 1400153, 4200459, 7000765, 21002295]

約数ペア:

[(1, 21002295), (3, 7000765), (5, 4200459), (15, 1400153), (149, 140955), (447, 46985), (745, 28191), (2235, 9397)]