21538866

素因数分解:

$2^1\times 3^1\times {\mathrm{137}}^1\times {\mathrm{26203}}^1$

素因数の和:26345

約数の個数: 16

約数和(自身を含む): 43393824

約数和(自身を除く): 21854958

約数列:

[1, 2, 3, 6, 137, 274, 411, 822, 26203, 52406, 78609, 157218, 3589811, 7179622, 10769433, 21538866]

約数ペア:

[(1, 21538866), (2, 10769433), (3, 7179622), (6, 3589811), (137, 157218), (274, 78609), (411, 52406), (822, 26203)]