21417531

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{5261}}^1$

素因数の和:5346

約数の個数: 16

約数和(自身を含む): 30309120

約数和(自身を除く): 8891589

約数列:

[1, 3, 23, 59, 69, 177, 1357, 4071, 5261, 15783, 121003, 310399, 363009, 931197, 7139177, 21417531]

約数ペア:

[(1, 21417531), (3, 7139177), (23, 931197), (59, 363009), (69, 310399), (177, 121003), (1357, 15783), (4071, 5261)]