21477951

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7481}}^1$

素因数の和:7527

約数の個数: 24

約数和(自身を含む): 35015760

約数和(自身を除く): 13537809

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 7481, 22443, 67329, 82291, 216949, 246873, 650847, 740619, 1952541, 2386439, 7159317, 21477951]

約数ペア:

[(1, 21477951), (3, 7159317), (9, 2386439), (11, 1952541), (29, 740619), (33, 650847), (87, 246873), (99, 216949), (261, 82291), (319, 67329), (957, 22443), (2871, 7481)]