21452431

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{739}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 29836800

約数和(自身を除く): 8384369

約数列:

[1, 7, 11, 13, 29, 77, 91, 143, 203, 319, 377, 739, 1001, 2233, 2639, 4147, 5173, 8129, 9607, 21431, 29029, 56903, 67249, 105677, 150017, 235741, 278603, 739739, 1650187, 1950221, 3064633, 21452431]

約数ペア:

[(1, 21452431), (7, 3064633), (11, 1950221), (13, 1650187), (29, 739739), (77, 278603), (91, 235741), (143, 150017), (203, 105677), (319, 67249), (377, 56903), (739, 29029), (1001, 21431), (2233, 9607), (2639, 8129), (4147, 5173)]