21434030

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{5399}}^1$

素因数の和:5803

約数の個数: 16

約数和(自身を含む): 38685600

約数和(自身を除く): 17251570

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 5399, 10798, 26995, 53990, 2143403, 4286806, 10717015, 21434030]

約数ペア:

[(1, 21434030), (2, 10717015), (5, 4286806), (10, 2143403), (397, 53990), (794, 26995), (1985, 10798), (3970, 5399)]