21738184

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{209021}}^1$

素因数の和:209040

約数の個数: 16

約数和(自身を含む): 43894620

約数和(自身を除く): 22156436

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 209021, 418042, 836084, 1672168, 2717273, 5434546, 10869092, 21738184]

約数ペア:

[(1, 21738184), (2, 10869092), (4, 5434546), (8, 2717273), (13, 1672168), (26, 836084), (52, 418042), (104, 209021)]