21276983

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3833}}^1$

素因数の和:3914

約数の個数: 16

約数和(自身を含む): 26623296

約数和(自身を除く): 5346313

約数列:

[1, 7, 13, 61, 91, 427, 793, 3833, 5551, 26831, 49829, 233813, 348803, 1636691, 3039569, 21276983]

約数ペア:

[(1, 21276983), (7, 3039569), (13, 1636691), (61, 348803), (91, 233813), (427, 49829), (793, 26831), (3833, 5551)]