21904970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{95239}}^1$

素因数の和:95269

約数の個数: 16

約数和(自身を含む): 41143680

約数和(自身を除く): 19238710

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 95239, 190478, 476195, 952390, 2190497, 4380994, 10952485, 21904970]

約数ペア:

[(1, 21904970), (2, 10952485), (5, 4380994), (10, 2190497), (23, 952390), (46, 476195), (115, 190478), (230, 95239)]