21004546

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{8263}}^1$

素因数の和:8337

約数の個数: 16

約数和(自身を含む): 33320448

約数和(自身を除く): 12315902

約数列:

[1, 2, 31, 41, 62, 82, 1271, 2542, 8263, 16526, 256153, 338783, 512306, 677566, 10502273, 21004546]

約数ペア:

[(1, 21004546), (2, 10502273), (31, 677566), (41, 512306), (62, 338783), (82, 256153), (1271, 16526), (2542, 8263)]