2021061584

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{301471}}^1$

素因数の和:301898

約数の個数: 20

約数和(自身を含む): 3925165440

約数和(自身を除く): 1904103856

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 3352, 6704, 301471, 602942, 1205884, 2411768, 4823536, 126316349, 252632698, 505265396, 1010530792, 2021061584]

約数ペア:

[(1, 2021061584), (2, 1010530792), (4, 505265396), (8, 252632698), (16, 126316349), (419, 4823536), (838, 2411768), (1676, 1205884), (3352, 602942), (6704, 301471)]