21748610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{757}}^1$

素因数の和:807

約数の個数: 48

約数和(自身を含む): 44943336

約数和(自身を除く): 23194726

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 757, 845, 1105, 1514, 1690, 2210, 2873, 3785, 5746, 7570, 9841, 12869, 14365, 19682, 25738, 28730, 49205, 64345, 98410, 127933, 128690, 167297, 255866, 334594, 639665, 836485, 1279330, 1672970, 2174861, 4349722, 10874305, 21748610]

約数ペア:

[(1, 21748610), (2, 10874305), (5, 4349722), (10, 2174861), (13, 1672970), (17, 1279330), (26, 836485), (34, 639665), (65, 334594), (85, 255866), (130, 167297), (169, 128690), (170, 127933), (221, 98410), (338, 64345), (442, 49205), (757, 28730), (845, 25738), (1105, 19682), (1514, 14365), (1690, 12869), (2210, 9841), (2873, 7570), (3785, 5746)]