21503258

素因数分解:

$2^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{3719}}^1$

素因数の和:3794

約数の個数: 24

約数和(自身を含む): 38167200

約数和(自身を除く): 16663942

約数列:

[1, 2, 7, 14, 49, 59, 98, 118, 413, 826, 2891, 3719, 5782, 7438, 26033, 52066, 182231, 219421, 364462, 438842, 1535947, 3071894, 10751629, 21503258]

約数ペア:

[(1, 21503258), (2, 10751629), (7, 3071894), (14, 1535947), (49, 438842), (59, 364462), (98, 219421), (118, 182231), (413, 52066), (826, 26033), (2891, 7438), (3719, 5782)]