21799528

素因数分解:

$2^3\times {\mathrm{569}}^1\times {\mathrm{4789}}^1$

素因数の和:5364

約数の個数: 16

約数和(自身を含む): 40954500

約数和(自身を除く): 19154972

約数列:

[1, 2, 4, 8, 569, 1138, 2276, 4552, 4789, 9578, 19156, 38312, 2724941, 5449882, 10899764, 21799528]

約数ペア:

[(1, 21799528), (2, 10899764), (4, 5449882), (8, 2724941), (569, 38312), (1138, 19156), (2276, 9578), (4552, 4789)]