21229665

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{30113}}^1$

素因数の和:30168

約数の個数: 16

約数和(自身を含む): 34691328

約数和(自身を除く): 13461663

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 30113, 90339, 150565, 451695, 1415311, 4245933, 7076555, 21229665]

約数ペア:

[(1, 21229665), (3, 7076555), (5, 4245933), (15, 1415311), (47, 451695), (141, 150565), (235, 90339), (705, 30113)]