21550485

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{619}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 37854720

約数和(自身を除く): 16304235

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 211, 619, 633, 1055, 1857, 2321, 3095, 3165, 6809, 6963, 9285, 11605, 20427, 34045, 34815, 102135, 130609, 391827, 653045, 1436699, 1959135, 4310097, 7183495, 21550485]

約数ペア:

[(1, 21550485), (3, 7183495), (5, 4310097), (11, 1959135), (15, 1436699), (33, 653045), (55, 391827), (165, 130609), (211, 102135), (619, 34815), (633, 34045), (1055, 20427), (1857, 11605), (2321, 9285), (3095, 6963), (3165, 6809)]