22145721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 33196800

約数和(自身を除く): 11051079

約数列:

[1, 3, 13, 37, 39, 103, 111, 149, 309, 447, 481, 1339, 1443, 1937, 3811, 4017, 5513, 5811, 11433, 15347, 16539, 46041, 49543, 71669, 148629, 199511, 215007, 567839, 598533, 1703517, 7381907, 22145721]

約数ペア:

[(1, 22145721), (3, 7381907), (13, 1703517), (37, 598533), (39, 567839), (103, 215007), (111, 199511), (149, 148629), (309, 71669), (447, 49543), (481, 46041), (1339, 16539), (1443, 15347), (1937, 11433), (3811, 5811), (4017, 5513)]