21362901

素因数分解:

$3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{3271}}^1$

素因数の和:3592

約数の個数: 16

約数和(自身を含む): 32667648

約数和(自身を除く): 11304747

約数列:

[1, 3, 7, 21, 311, 933, 2177, 3271, 6531, 9813, 22897, 68691, 1017281, 3051843, 7120967, 21362901]

約数ペア:

[(1, 21362901), (3, 7120967), (7, 3051843), (21, 1017281), (311, 68691), (933, 22897), (2177, 9813), (3271, 6531)]