21498052

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 38384640

約数和(自身を除く): 16886588

約数列:

[1, 2, 4, 101, 127, 202, 254, 404, 419, 508, 838, 1676, 12827, 25654, 42319, 51308, 53213, 84638, 106426, 169276, 212852, 5374513, 10749026, 21498052]

約数ペア:

[(1, 21498052), (2, 10749026), (4, 5374513), (101, 212852), (127, 169276), (202, 106426), (254, 84638), (404, 53213), (419, 51308), (508, 42319), (838, 25654), (1676, 12827)]