21285522

素因数分解:

$2^1\times 3^2\times {\mathrm{661}}^1\times {\mathrm{1789}}^1$

素因数の和:2458

約数の個数: 24

約数和(自身を含む): 46214220

約数和(自身を除く): 24928698

約数列:

[1, 2, 3, 6, 9, 18, 661, 1322, 1789, 1983, 3578, 3966, 5367, 5949, 10734, 11898, 16101, 32202, 1182529, 2365058, 3547587, 7095174, 10642761, 21285522]

約数ペア:

[(1, 21285522), (2, 10642761), (3, 7095174), (6, 3547587), (9, 2365058), (18, 1182529), (661, 32202), (1322, 16101), (1789, 11898), (1983, 10734), (3578, 5949), (3966, 5367)]