21385258

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{2971}}^1$

素因数の和:3093

約数の個数: 16

約数和(自身を含む): 33167520

約数和(自身を除く): 11782262

約数列:

[1, 2, 59, 61, 118, 122, 2971, 3599, 5942, 7198, 175289, 181231, 350578, 362462, 10692629, 21385258]

約数ペア:

[(1, 21385258), (2, 10692629), (59, 362462), (61, 350578), (118, 181231), (122, 175289), (2971, 7198), (3599, 5942)]