21264918

素因数分解:

$2^1\times 3^1\times {\mathrm{1319}}^1\times {\mathrm{2687}}^1$

素因数の和:4011

約数の個数: 16

約数和(自身を含む): 42577920

約数和(自身を除く): 21313002

約数列:

[1, 2, 3, 6, 1319, 2638, 2687, 3957, 5374, 7914, 8061, 16122, 3544153, 7088306, 10632459, 21264918]

約数ペア:

[(1, 21264918), (2, 10632459), (3, 7088306), (6, 3544153), (1319, 16122), (2638, 8061), (2687, 7914), (3957, 5374)]