21579851

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 23864544

約数和(自身を除く): 2284693

約数列:

[1, 17, 43, 53, 557, 731, 901, 2279, 9469, 23951, 29521, 38743, 407167, 501857, 1269403, 21579851]

約数ペア:

[(1, 21579851), (17, 1269403), (43, 501857), (53, 407167), (557, 38743), (731, 29521), (901, 23951), (2279, 9469)]