21274341

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{569}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 31536960

約数和(自身を除く): 10262619

約数列:

[1, 3, 11, 33, 103, 121, 309, 363, 569, 1133, 1707, 3399, 6259, 12463, 18777, 37389, 58607, 68849, 175821, 206547, 644677, 1934031, 7091447, 21274341]

約数ペア:

[(1, 21274341), (3, 7091447), (11, 1934031), (33, 644677), (103, 206547), (121, 175821), (309, 68849), (363, 58607), (569, 37389), (1133, 18777), (1707, 12463), (3399, 6259)]