21073328444

素因数分解:

$2^2\times 7^1\times {\mathrm{683}}^1\times {\mathrm{1101931}}^1$

素因数の和:1102625

約数の個数: 24

約数和(自身を含む): 42208403328

約数和(自身を除く): 21135074884

約数列:

[1, 2, 4, 7, 14, 28, 683, 1366, 2732, 4781, 9562, 19124, 1101931, 2203862, 4407724, 7713517, 15427034, 30854068, 752618873, 1505237746, 3010475492, 5268332111, 10536664222, 21073328444]

約数ペア:

[(1, 21073328444), (2, 10536664222), (4, 5268332111), (7, 3010475492), (14, 1505237746), (28, 752618873), (683, 30854068), (1366, 15427034), (2732, 7713517), (4781, 4407724), (9562, 2203862), (19124, 1101931)]