21211497

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{34157}}^1$

素因数の和:34189

約数の個数: 16

約数和(自身を含む): 32791680

約数和(自身を除く): 11580183

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 34157, 102471, 307413, 785611, 922239, 2356833, 7070499, 21211497]

約数ペア:

[(1, 21211497), (3, 7070499), (9, 2356833), (23, 922239), (27, 785611), (69, 307413), (207, 102471), (621, 34157)]