21158790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{705293}}^1$

素因数の和:705303

約数の個数: 16

約数和(自身を含む): 50781168

約数和(自身を除く): 29622378

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 705293, 1410586, 2115879, 3526465, 4231758, 7052930, 10579395, 21158790]

約数ペア:

[(1, 21158790), (2, 10579395), (3, 7052930), (5, 4231758), (6, 3526465), (10, 2115879), (15, 1410586), (30, 705293)]