21875895

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5857}}^1$

素因数の和:5951

約数の個数: 24

約数和(自身を含む): 38381616

約数和(自身を除く): 16505721

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5857, 17571, 29285, 52713, 87855, 263565, 486131, 1458393, 2430655, 4375179, 7291965, 21875895]

約数ペア:

[(1, 21875895), (3, 7291965), (5, 4375179), (9, 2430655), (15, 1458393), (45, 486131), (83, 263565), (249, 87855), (415, 52713), (747, 29285), (1245, 17571), (3735, 5857)]