21888633

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{5449}}^1$

素因数の和:5568

約数の個数: 16

約数和(自身を含む): 31740800

約数和(自身を除く): 9852167

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 5449, 16347, 70837, 212511, 561247, 1683741, 7296211, 21888633]

約数ペア:

[(1, 21888633), (3, 7296211), (13, 1683741), (39, 561247), (103, 212511), (309, 70837), (1339, 16347), (4017, 5449)]