21919060

素因数分解:

$2^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{1063}}^1$

素因数の和:2103

約数の個数: 24

約数和(自身を含む): 46118016

約数和(自身を除く): 24198956

約数列:

[1, 2, 4, 5, 10, 20, 1031, 1063, 2062, 2126, 4124, 4252, 5155, 5315, 10310, 10630, 20620, 21260, 1095953, 2191906, 4383812, 5479765, 10959530, 21919060]

約数ペア:

[(1, 21919060), (2, 10959530), (4, 5479765), (5, 4383812), (10, 2191906), (20, 1095953), (1031, 21260), (1063, 20620), (2062, 10630), (2126, 10310), (4124, 5315), (4252, 5155)]