21510695

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{3049}}^1$

素因数の和:3154

約数の個数: 16

約数和(自身を含む): 27669600

約数和(自身を除く): 6158905

約数列:

[1, 5, 17, 83, 85, 415, 1411, 3049, 7055, 15245, 51833, 253067, 259165, 1265335, 4302139, 21510695]

約数ペア:

[(1, 21510695), (5, 4302139), (17, 1265335), (83, 259165), (85, 253067), (415, 51833), (1411, 15245), (3049, 7055)]