21355644

素因数分解:

$2^2\times 3^1\times {\mathrm{113}}^1\times {\mathrm{15749}}^1$

素因数の和:15869

約数の個数: 24

約数和(自身を含む): 50274000

約数和(自身を除く): 28918356

約数列:

[1, 2, 3, 4, 6, 12, 113, 226, 339, 452, 678, 1356, 15749, 31498, 47247, 62996, 94494, 188988, 1779637, 3559274, 5338911, 7118548, 10677822, 21355644]

約数ペア:

[(1, 21355644), (2, 10677822), (3, 7118548), (4, 5338911), (6, 3559274), (12, 1779637), (113, 188988), (226, 94494), (339, 62996), (452, 47247), (678, 31498), (1356, 15749)]