21791572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2593}}^1$

素因数の和:2799

約数の個数: 24

約数和(自身を含む): 41836032

約数和(自身を除く): 20044460

約数列:

[1, 2, 4, 11, 22, 44, 191, 382, 764, 2101, 2593, 4202, 5186, 8404, 10372, 28523, 57046, 114092, 495263, 990526, 1981052, 5447893, 10895786, 21791572]

約数ペア:

[(1, 21791572), (2, 10895786), (4, 5447893), (11, 1981052), (22, 990526), (44, 495263), (191, 114092), (382, 57046), (764, 28523), (2101, 10372), (2593, 8404), (4202, 5186)]