21902216

素因数分解:

$2^3\times 7^2\times {\mathrm{59}}^1\times {\mathrm{947}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 48632400

約数和(自身を除く): 26730184

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 59, 98, 118, 196, 236, 392, 413, 472, 826, 947, 1652, 1894, 2891, 3304, 3788, 5782, 6629, 7576, 11564, 13258, 23128, 26516, 46403, 53032, 55873, 92806, 111746, 185612, 223492, 371224, 391111, 446984, 782222, 1564444, 2737777, 3128888, 5475554, 10951108, 21902216]

約数ペア:

[(1, 21902216), (2, 10951108), (4, 5475554), (7, 3128888), (8, 2737777), (14, 1564444), (28, 782222), (49, 446984), (56, 391111), (59, 371224), (98, 223492), (118, 185612), (196, 111746), (236, 92806), (392, 55873), (413, 53032), (472, 46403), (826, 26516), (947, 23128), (1652, 13258), (1894, 11564), (2891, 7576), (3304, 6629), (3788, 5782)]