21560214

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1051}}^1$

素因数の和:1332

約数の個数: 32

約数和(自身を含む): 46658304

約数和(自身を除く): 25098090

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263, 526, 789, 1051, 1578, 2102, 3153, 3419, 6306, 6838, 10257, 13663, 20514, 27326, 40989, 81978, 276413, 552826, 829239, 1658478, 3593369, 7186738, 10780107, 21560214]

約数ペア:

[(1, 21560214), (2, 10780107), (3, 7186738), (6, 3593369), (13, 1658478), (26, 829239), (39, 552826), (78, 276413), (263, 81978), (526, 40989), (789, 27326), (1051, 20514), (1578, 13663), (2102, 10257), (3153, 6838), (3419, 6306)]