21923030

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{128959}}^1$

素因数の和:128983

約数の個数: 16

約数和(自身を含む): 41783040

約数和(自身を除く): 19860010

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 128959, 257918, 644795, 1289590, 2192303, 4384606, 10961515, 21923030]

約数ペア:

[(1, 21923030), (2, 10961515), (5, 4384606), (10, 2192303), (17, 1289590), (34, 644795), (85, 257918), (170, 128959)]