21631269

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{739}}^1\times {\mathrm{887}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 31541760

約数和(自身を除く): 9910491

約数列:

[1, 3, 11, 33, 739, 887, 2217, 2661, 8129, 9757, 24387, 29271, 655493, 1966479, 7210423, 21631269]

約数ペア:

[(1, 21631269), (3, 7210423), (11, 1966479), (33, 655493), (739, 29271), (887, 24387), (2217, 9757), (2661, 8129)]