21769936

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43891}}^1$

素因数の和:43930

約数の個数: 20

約数和(自身を含む): 43540864

約数和(自身を除く): 21770928

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43891, 87782, 175564, 351128, 702256, 1360621, 2721242, 5442484, 10884968, 21769936]

約数ペア:

[(1, 21769936), (2, 10884968), (4, 5442484), (8, 2721242), (16, 1360621), (31, 702256), (62, 351128), (124, 175564), (248, 87782), (496, 43891)]