21789292

素因数分解:

$2^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{3229}}^1$

素因数の和:3481

約数の個数: 24

約数和(自身を含む): 43772960

約数和(自身を除く): 21983668

約数列:

[1, 2, 4, 7, 14, 28, 241, 482, 964, 1687, 3229, 3374, 6458, 6748, 12916, 22603, 45206, 90412, 778189, 1556378, 3112756, 5447323, 10894646, 21789292]

約数ペア:

[(1, 21789292), (2, 10894646), (4, 5447323), (7, 3112756), (14, 1556378), (28, 778189), (241, 90412), (482, 45206), (964, 22603), (1687, 12916), (3229, 6748), (3374, 6458)]