21699437757

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{641}}^1\times {\mathrm{81181}}^1$

素因数の和:81964

約数の個数: 16

約数和(自身を含む): 29186552640

約数和(自身を除く): 7487114883

約数列:

[1, 3, 139, 417, 641, 1923, 81181, 89099, 243543, 267297, 11284159, 33852477, 52037021, 156111063, 7233145919, 21699437757]

約数ペア:

[(1, 21699437757), (3, 7233145919), (139, 156111063), (417, 52037021), (641, 33852477), (1923, 11284159), (81181, 267297), (89099, 243543)]