21565329

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{5897}}^1$

素因数の和:5976

約数の個数: 16

約数和(自身を含む): 30575232

約数和(自身を除く): 9009903

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 5897, 17691, 135631, 312541, 406893, 937623, 7188443, 21565329]

約数ペア:

[(1, 21565329), (3, 7188443), (23, 937623), (53, 406893), (69, 312541), (159, 135631), (1219, 17691), (3657, 5897)]