21014728

素因数分解:

$2^3\times 7^2\times {\mathrm{53609}}^1$

素因数の和:53629

約数の個数: 24

約数和(自身を含む): 45836550

約数和(自身を除く): 24821822

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53609, 107218, 214436, 375263, 428872, 750526, 1501052, 2626841, 3002104, 5253682, 10507364, 21014728]

約数ペア:

[(1, 21014728), (2, 10507364), (4, 5253682), (7, 3002104), (8, 2626841), (14, 1501052), (28, 750526), (49, 428872), (56, 375263), (98, 214436), (196, 107218), (392, 53609)]