21548910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1061}}^1$

素因数の和:1748

約数の個数: 32

約数和(自身を含む): 51842592

約数和(自身を除く): 30293682

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 677, 1061, 1354, 2031, 2122, 3183, 3385, 4062, 5305, 6366, 6770, 10155, 10610, 15915, 20310, 31830, 718297, 1436594, 2154891, 3591485, 4309782, 7182970, 10774455, 21548910]

約数ペア:

[(1, 21548910), (2, 10774455), (3, 7182970), (5, 4309782), (6, 3591485), (10, 2154891), (15, 1436594), (30, 718297), (677, 31830), (1061, 20310), (1354, 15915), (2031, 10610), (2122, 10155), (3183, 6770), (3385, 6366), (4062, 5305)]