21731391

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{967}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 34429824

約数和(自身を除く): 12698433

約数列:

[1, 3, 9, 11, 33, 99, 227, 681, 967, 2043, 2497, 2901, 7491, 8703, 10637, 22473, 31911, 95733, 219509, 658527, 1975581, 2414599, 7243797, 21731391]

約数ペア:

[(1, 21731391), (3, 7243797), (9, 2414599), (11, 1975581), (33, 658527), (99, 219509), (227, 95733), (681, 31911), (967, 22473), (2043, 10637), (2497, 8703), (2901, 7491)]