21132999

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{57271}}^1$

素因数の和:57318

約数の個数: 12

約数和(自身を含む): 31270512

約数和(自身を除く): 10137513

約数列:

[1, 3, 9, 41, 123, 369, 57271, 171813, 515439, 2348111, 7044333, 21132999]

約数ペア:

[(1, 21132999), (3, 7044333), (9, 2348111), (41, 515439), (123, 171813), (369, 57271)]