21000391728

素因数分解:

$2^4\times 3^1\times {\mathrm{437508161}}^1$

素因数の和:437508172

約数の個数: 20

約数和(自身を含む): 54251012088

約数和(自身を除く): 33250620360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 437508161, 875016322, 1312524483, 1750032644, 2625048966, 3500065288, 5250097932, 7000130576, 10500195864, 21000391728]

約数ペア:

[(1, 21000391728), (2, 10500195864), (3, 7000130576), (4, 5250097932), (6, 3500065288), (8, 2625048966), (12, 1750032644), (16, 1312524483), (24, 875016322), (48, 437508161)]