21346917

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4703}}^1$

素因数の和:4812

約数の個数: 16

約数和(自身を含む): 30481920

約数和(自身を除く): 9135003

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4539, 4703, 14109, 79951, 239853, 418567, 1255701, 7115639, 21346917]

約数ペア:

[(1, 21346917), (3, 7115639), (17, 1255701), (51, 418567), (89, 239853), (267, 79951), (1513, 14109), (4539, 4703)]