21609107

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 24071040

約数和(自身を除く): 2461933

約数列:

[1, 13, 53, 79, 397, 689, 1027, 4187, 5161, 21041, 31363, 54431, 273533, 407719, 1662239, 21609107]

約数ペア:

[(1, 21609107), (13, 1662239), (53, 407719), (79, 273533), (397, 54431), (689, 31363), (1027, 21041), (4187, 5161)]