21156270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{705209}}^1$

素因数の和:705219

約数の個数: 16

約数和(自身を含む): 50775120

約数和(自身を除く): 29618850

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 705209, 1410418, 2115627, 3526045, 4231254, 7052090, 10578135, 21156270]

約数ペア:

[(1, 21156270), (2, 10578135), (3, 7052090), (5, 4231254), (6, 3526045), (10, 2115627), (15, 1410418), (30, 705209)]