21991094

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{1511}}^1$

素因数の和:1915

約数の個数: 16

約数和(自身を含む): 34836480

約数和(自身を除く): 12845386

約数列:

[1, 2, 19, 38, 383, 766, 1511, 3022, 7277, 14554, 28709, 57418, 578713, 1157426, 10995547, 21991094]

約数ペア:

[(1, 21991094), (2, 10995547), (19, 1157426), (38, 578713), (383, 57418), (766, 28709), (1511, 14554), (3022, 7277)]