21958065

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5879}}^1$

素因数の和:5973

約数の個数: 24

約数和(自身を含む): 38525760

約数和(自身を除く): 16567695

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5879, 17637, 29395, 52911, 88185, 264555, 487957, 1463871, 2439785, 4391613, 7319355, 21958065]

約数ペア:

[(1, 21958065), (3, 7319355), (5, 4391613), (9, 2439785), (15, 1463871), (45, 487957), (83, 264555), (249, 88185), (415, 52911), (747, 29395), (1245, 17637), (3735, 5879)]