21815693139

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1\times {\mathrm{10531}}^1$

素因数の和:10971

約数の個数: 32

約数和(自身を含む): 31120796160

約数和(自身を除く): 9305103021

約数列:

[1, 3, 17, 51, 151, 269, 453, 807, 2567, 4573, 7701, 10531, 13719, 31593, 40619, 121857, 179027, 537081, 690523, 1590181, 2071569, 2832839, 4770543, 8498517, 27033077, 48158263, 81099231, 144474789, 427758689, 1283276067, 7271897713, 21815693139]

約数ペア:

[(1, 21815693139), (3, 7271897713), (17, 1283276067), (51, 427758689), (151, 144474789), (269, 81099231), (453, 48158263), (807, 27033077), (2567, 8498517), (4573, 4770543), (7701, 2832839), (10531, 2071569), (13719, 1590181), (31593, 690523), (40619, 537081), (121857, 179027)]