21131215239

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{613}}^1\times {\mathrm{83873}}^1$

素因数の和:84626

約数の個数: 16

約数和(自身を含む): 28427247072

約数和(自身を除く): 7296031833

約数列:

[1, 3, 137, 411, 613, 1839, 83873, 83981, 251619, 251943, 11490601, 34471803, 51414149, 154242447, 7043738413, 21131215239]

約数ペア:

[(1, 21131215239), (3, 7043738413), (137, 154242447), (411, 51414149), (613, 34471803), (1839, 11490601), (83873, 251943), (83981, 251619)]