21764932

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{18959}}^1$

素因数の和:19011

約数の個数: 24

約数和(自身を含む): 44593920

約数和(自身を除く): 22828988

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 18959, 37918, 75836, 132713, 265426, 530852, 777319, 1554638, 3109276, 5441233, 10882466, 21764932]

約数ペア:

[(1, 21764932), (2, 10882466), (4, 5441233), (7, 3109276), (14, 1554638), (28, 777319), (41, 530852), (82, 265426), (164, 132713), (287, 75836), (574, 37918), (1148, 18959)]