21182079

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:630

約数の個数: 16

約数和(自身を含む): 28730240

約数和(自身を除く): 7548161

約数列:

[1, 3, 109, 211, 307, 327, 633, 921, 22999, 33463, 64777, 68997, 100389, 194331, 7060693, 21182079]

約数ペア:

[(1, 21182079), (3, 7060693), (109, 194331), (211, 100389), (307, 68997), (327, 64777), (633, 33463), (921, 22999)]