21074185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{3581}}^1$

素因数の和:3704

約数の個数: 16

約数和(自身を含む): 27853632

約数和(自身を除く): 6779447

約数列:

[1, 5, 11, 55, 107, 535, 1177, 3581, 5885, 17905, 39391, 196955, 383167, 1915835, 4214837, 21074185]

約数ペア:

[(1, 21074185), (5, 4214837), (11, 1915835), (55, 383167), (107, 196955), (535, 39391), (1177, 17905), (3581, 5885)]