21525704

素因数分解:

$2^3\times {\mathrm{389}}^1\times {\mathrm{6917}}^1$

素因数の和:7312

約数の個数: 16

約数和(自身を含む): 40470300

約数和(自身を除く): 18944596

約数列:

[1, 2, 4, 8, 389, 778, 1556, 3112, 6917, 13834, 27668, 55336, 2690713, 5381426, 10762852, 21525704]

約数ペア:

[(1, 21525704), (2, 10762852), (4, 5381426), (8, 2690713), (389, 55336), (778, 27668), (1556, 13834), (3112, 6917)]