21424790

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^2\times {\mathrm{311}}^1$

素因数の和:484

約数の個数: 24

約数和(自身を含む): 39160368

約数和(自身を除く): 17735578

約数列:

[1, 2, 5, 10, 83, 166, 311, 415, 622, 830, 1555, 3110, 6889, 13778, 25813, 34445, 51626, 68890, 129065, 258130, 2142479, 4284958, 10712395, 21424790]

約数ペア:

[(1, 21424790), (2, 10712395), (5, 4284958), (10, 2142479), (83, 258130), (166, 129065), (311, 68890), (415, 51626), (622, 34445), (830, 25813), (1555, 13778), (3110, 6889)]