21081134

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{811}}^1$

素因数の和:1171

約数の個数: 16

約数和(自身を含む): 32535216

約数和(自身を除く): 11454082

約数列:

[1, 2, 41, 82, 317, 634, 811, 1622, 12997, 25994, 33251, 66502, 257087, 514174, 10540567, 21081134]

約数ペア:

[(1, 21081134), (2, 10540567), (41, 514174), (82, 257087), (317, 66502), (634, 33251), (811, 25994), (1622, 12997)]