21169352

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{155657}}^1$

素因数の和:155680

約数の個数: 16

約数和(自身を含む): 42027660

約数和(自身を除く): 20858308

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 155657, 311314, 622628, 1245256, 2646169, 5292338, 10584676, 21169352]

約数ペア:

[(1, 21169352), (2, 10584676), (4, 5292338), (8, 2646169), (17, 1245256), (34, 622628), (68, 311314), (136, 155657)]