21310826

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{20219}}^1$

素因数の和:20269

約数の個数: 16

約数和(自身を含む): 34940160

約数和(自身を除く): 13629334

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 20219, 40438, 343723, 626789, 687446, 1253578, 10655413, 21310826]

約数ペア:

[(1, 21310826), (2, 10655413), (17, 1253578), (31, 687446), (34, 626789), (62, 343723), (527, 40438), (1054, 20219)]