21553906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{26479}}^1$

素因数の和:26529

約数の個数: 16

約数和(自身を含む): 36224640

約数和(自身を除く): 14670734

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 26479, 52958, 291269, 582538, 979723, 1959446, 10776953, 21553906]

約数ペア:

[(1, 21553906), (2, 10776953), (11, 1959446), (22, 979723), (37, 582538), (74, 291269), (407, 52958), (814, 26479)]