21000421452

素因数分解:

$2^2\times 3^1\times {\mathrm{2003}}^1\times {\mathrm{873707}}^1$

素因数の和:875717

約数の個数: 24

約数和(自身を含む): 49025503296

約数和(自身を除く): 28025081844

約数列:

[1, 2, 3, 4, 6, 12, 2003, 4006, 6009, 8012, 12018, 24036, 873707, 1747414, 2621121, 3494828, 5242242, 10484484, 1750035121, 3500070242, 5250105363, 7000140484, 10500210726, 21000421452]

約数ペア:

[(1, 21000421452), (2, 10500210726), (3, 7000140484), (4, 5250105363), (6, 3500070242), (12, 1750035121), (2003, 10484484), (4006, 5242242), (6009, 3494828), (8012, 2621121), (12018, 1747414), (24036, 873707)]