21241526

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{3121}}^1$

素因数の和:3247

約数の個数: 16

約数和(自身を含む): 33043248

約数和(自身を除く): 11801722

約数列:

[1, 2, 41, 82, 83, 166, 3121, 3403, 6242, 6806, 127961, 255922, 259043, 518086, 10620763, 21241526]

約数ペア:

[(1, 21241526), (2, 10620763), (41, 518086), (82, 259043), (83, 255922), (166, 127961), (3121, 6806), (3403, 6242)]