21523227

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{13877}}^1$

素因数の和:13938

約数の個数: 16

約数和(自身を含む): 31974912

約数和(自身を除く): 10451685

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 13877, 41631, 152647, 457941, 652219, 1956657, 7174409, 21523227]

約数ペア:

[(1, 21523227), (3, 7174409), (11, 1956657), (33, 652219), (47, 457941), (141, 152647), (517, 41631), (1551, 13877)]