21303363

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{3049}}^1$

素因数の和:3206

約数の個数: 16

約数和(自身を含む): 30304800

約数和(自身を除く): 9001437

約数列:

[1, 3, 17, 51, 137, 411, 2329, 3049, 6987, 9147, 51833, 155499, 417713, 1253139, 7101121, 21303363]

約数ペア:

[(1, 21303363), (3, 7101121), (17, 1253139), (51, 417713), (137, 155499), (411, 51833), (2329, 9147), (3049, 6987)]