21537591

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{10069}}^1$

素因数の和:10126

約数の個数: 16

約数和(自身を含む): 30935040

約数和(自身を除く): 9397449

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 10069, 30207, 231587, 312139, 694761, 936417, 7179197, 21537591]

約数ペア:

[(1, 21537591), (3, 7179197), (23, 936417), (31, 694761), (69, 312139), (93, 231587), (713, 30207), (2139, 10069)]