21078970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191627}}^1$

素因数の和:191645

約数の個数: 16

約数和(自身を含む): 41391648

約数和(自身を除く): 20312678

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191627, 383254, 958135, 1916270, 2107897, 4215794, 10539485, 21078970]

約数ペア:

[(1, 21078970), (2, 10539485), (5, 4215794), (10, 2107897), (11, 1916270), (22, 958135), (55, 383254), (110, 191627)]