21695050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33377}}^1$

素因数の和:33402

約数の個数: 24

約数和(自身を含む): 43458156

約数和(自身を除く): 21763106

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 33377, 66754, 166885, 333770, 433901, 834425, 867802, 1668850, 2169505, 4339010, 10847525, 21695050]

約数ペア:

[(1, 21695050), (2, 10847525), (5, 4339010), (10, 2169505), (13, 1668850), (25, 867802), (26, 834425), (50, 433901), (65, 333770), (130, 166885), (325, 66754), (650, 33377)]