21638598

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^1\times {\mathrm{43451}}^1$

素因数の和:43539

約数の個数: 16

約数和(自身を含む): 43799616

約数和(自身を除く): 22161018

約数列:

[1, 2, 3, 6, 83, 166, 249, 498, 43451, 86902, 130353, 260706, 3606433, 7212866, 10819299, 21638598]

約数ペア:

[(1, 21638598), (2, 10819299), (3, 7212866), (6, 3606433), (83, 260706), (166, 130353), (249, 86902), (498, 43451)]