21329518

素因数分解:

$2^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{6653}}^1$

素因数の和:6891

約数の個数: 16

約数和(自身を含む): 36730080

約数和(自身を除く): 15400562

約数列:

[1, 2, 7, 14, 229, 458, 1603, 3206, 6653, 13306, 46571, 93142, 1523537, 3047074, 10664759, 21329518]

約数ペア:

[(1, 21329518), (2, 10664759), (7, 3047074), (14, 1523537), (229, 93142), (458, 46571), (1603, 13306), (3206, 6653)]