21966310

素因数分解:

$2^1\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{1559}}^1$

素因数の和:2975

約数の個数: 16

約数和(自身を含む): 39592800

約数和(自身を除く): 17626490

約数列:

[1, 2, 5, 10, 1409, 1559, 2818, 3118, 7045, 7795, 14090, 15590, 2196631, 4393262, 10983155, 21966310]

約数ペア:

[(1, 21966310), (2, 10983155), (5, 4393262), (10, 2196631), (1409, 15590), (1559, 14090), (2818, 7795), (3118, 7045)]