21341398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{3121}}^1$

素因数の和:3399

約数の個数: 16

約数和(自身を含む): 34616736

約数和(自身を除く): 13275338

約数列:

[1, 2, 13, 26, 263, 526, 3121, 3419, 6242, 6838, 40573, 81146, 820823, 1641646, 10670699, 21341398]

約数ペア:

[(1, 21341398), (2, 10670699), (13, 1641646), (26, 820823), (263, 81146), (526, 40573), (3121, 6838), (3419, 6242)]