21966328

素因数分解:

$2^3\times {\mathrm{1097}}^1\times {\mathrm{2503}}^1$

素因数の和:3606

約数の個数: 16

約数和(自身を含む): 41240880

約数和(自身を除く): 19274552

約数列:

[1, 2, 4, 8, 1097, 2194, 2503, 4388, 5006, 8776, 10012, 20024, 2745791, 5491582, 10983164, 21966328]

約数ペア:

[(1, 21966328), (2, 10983164), (4, 5491582), (8, 2745791), (1097, 20024), (2194, 10012), (2503, 8776), (4388, 5006)]