21793904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{123829}}^1$

素因数の和:123848

約数の個数: 20

約数和(自身を含む): 46064760

約数和(自身を除く): 24270856

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 123829, 247658, 495316, 990632, 1362119, 1981264, 2724238, 5448476, 10896952, 21793904]

約数ペア:

[(1, 21793904), (2, 10896952), (4, 5448476), (8, 2724238), (11, 1981264), (16, 1362119), (22, 990632), (44, 495316), (88, 247658), (176, 123829)]