21224445

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{419}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 16031235

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 307, 419, 921, 1257, 1535, 2095, 3377, 4605, 4609, 6285, 10131, 13827, 16885, 23045, 50655, 69135, 128633, 385899, 643165, 1414963, 1929495, 4244889, 7074815, 21224445]

約数ペア:

[(1, 21224445), (3, 7074815), (5, 4244889), (11, 1929495), (15, 1414963), (33, 643165), (55, 385899), (165, 128633), (307, 69135), (419, 50655), (921, 23045), (1257, 16885), (1535, 13827), (2095, 10131), (3377, 6285), (4605, 4609)]