21915963

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 32526000

約数和(自身を除く): 10610037

約数列:

[1, 3, 9, 59, 149, 177, 277, 447, 531, 831, 1341, 2493, 8791, 16343, 26373, 41273, 49029, 79119, 123819, 147087, 371457, 2435107, 7305321, 21915963]

約数ペア:

[(1, 21915963), (3, 7305321), (9, 2435107), (59, 371457), (149, 147087), (177, 123819), (277, 79119), (447, 49029), (531, 41273), (831, 26373), (1341, 16343), (2493, 8791)]