21491499

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{941}}^1$

素因数の和:1298

約数の個数: 16

約数和(自身を含む): 30023424

約数和(自身を除く): 8531925

約数列:

[1, 3, 23, 69, 331, 941, 993, 2823, 7613, 21643, 22839, 64929, 311471, 934413, 7163833, 21491499]

約数ペア:

[(1, 21491499), (3, 7163833), (23, 934413), (69, 311471), (331, 64929), (941, 22839), (993, 21643), (2823, 7613)]