21020706

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23833}}^1$

素因数の和:23855

約数の個数: 36

約数和(自身を含む): 52982982

約数和(自身を除く): 31962276

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 23833, 47666, 71499, 142998, 166831, 214497, 333662, 428994, 500493, 1000986, 1167817, 1501479, 2335634, 3002958, 3503451, 7006902, 10510353, 21020706]

約数ペア:

[(1, 21020706), (2, 10510353), (3, 7006902), (6, 3503451), (7, 3002958), (9, 2335634), (14, 1501479), (18, 1167817), (21, 1000986), (42, 500493), (49, 428994), (63, 333662), (98, 214497), (126, 166831), (147, 142998), (294, 71499), (441, 47666), (882, 23833)]