21549518

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{2411}}^1$

素因数の和:2563

約数の個数: 16

約数和(自身を含む): 33430320

約数和(自身を除く): 11880802

約数列:

[1, 2, 41, 82, 109, 218, 2411, 4469, 4822, 8938, 98851, 197702, 262799, 525598, 10774759, 21549518]

約数ペア:

[(1, 21549518), (2, 10774759), (41, 525598), (82, 262799), (109, 197702), (218, 98851), (2411, 8938), (4469, 4822)]