21160036

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{311177}}^1$

素因数の和:311198

約数の個数: 12

約数和(自身を含む): 39208428

約数和(自身を除く): 18048392

約数列:

[1, 2, 4, 17, 34, 68, 311177, 622354, 1244708, 5290009, 10580018, 21160036]

約数ペア:

[(1, 21160036), (2, 10580018), (4, 5290009), (17, 1244708), (34, 622354), (68, 311177)]