21938630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{313409}}^1$

素因数の和:313423

約数の個数: 16

約数和(自身を含む): 45131040

約数和(自身を除く): 23192410

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 313409, 626818, 1567045, 2193863, 3134090, 4387726, 10969315, 21938630]

約数ペア:

[(1, 21938630), (2, 10969315), (5, 4387726), (7, 3134090), (10, 2193863), (14, 1567045), (35, 626818), (70, 313409)]