21802053

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79861}}^1$

素因数の和:79884

約数の個数: 16

約数和(自身を含む): 35778176

約数和(自身を除く): 13976123

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 79861, 239583, 559027, 1038193, 1677081, 3114579, 7267351, 21802053]

約数ペア:

[(1, 21802053), (3, 7267351), (7, 3114579), (13, 1677081), (21, 1038193), (39, 559027), (91, 239583), (273, 79861)]