21752885

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{56501}}^1$

素因数の和:56524

約数の個数: 16

約数和(自身を含む): 32545152

約数和(自身を除く): 10792267

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 56501, 282505, 395507, 621511, 1977535, 3107555, 4350577, 21752885]

約数ペア:

[(1, 21752885), (5, 4350577), (7, 3107555), (11, 1977535), (35, 621511), (55, 395507), (77, 282505), (385, 56501)]