21484311

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{8963}}^1$

素因数の和:9030

約数の個数: 16

約数和(自身を含む): 30979584

約数和(自身を除く): 9495273

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 8963, 26889, 152371, 421261, 457113, 1263783, 7161437, 21484311]

約数ペア:

[(1, 21484311), (3, 7161437), (17, 1263783), (47, 457113), (51, 421261), (141, 152371), (799, 26889), (2397, 8963)]