21322120

素因数分解:

$2^3\times 5^1\times {\mathrm{533053}}^1$

素因数の和:533064

約数の個数: 16

約数和(自身を含む): 47974860

約数和(自身を除く): 26652740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 533053, 1066106, 2132212, 2665265, 4264424, 5330530, 10661060, 21322120]

約数ペア:

[(1, 21322120), (2, 10661060), (4, 5330530), (5, 4264424), (8, 2665265), (10, 2132212), (20, 1066106), (40, 533053)]