21762928

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{123653}}^1$

素因数の和:123672

約数の個数: 20

約数和(自身を含む): 45999288

約数和(自身を除く): 24236360

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 123653, 247306, 494612, 989224, 1360183, 1978448, 2720366, 5440732, 10881464, 21762928]

約数ペア:

[(1, 21762928), (2, 10881464), (4, 5440732), (8, 2720366), (11, 1978448), (16, 1360183), (22, 989224), (44, 494612), (88, 247306), (176, 123653)]