21682965

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{33617}}^1$

素因数の和:33668

約数の個数: 16

約数和(自身を含む): 35500608

約数和(自身を除く): 13817643

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 33617, 100851, 168085, 504255, 1445531, 4336593, 7227655, 21682965]

約数ペア:

[(1, 21682965), (3, 7227655), (5, 4336593), (15, 1445531), (43, 504255), (129, 168085), (215, 100851), (645, 33617)]