17720724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{210961}}^1$

素因数の和:210975

約数の個数: 24

約数和(自身を含む): 47255488

約数和(自身を除く): 29534764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 210961, 421922, 632883, 843844, 1265766, 1476727, 2531532, 2953454, 4430181, 5906908, 8860362, 17720724]

約数ペア:

[(1, 17720724), (2, 8860362), (3, 5906908), (4, 4430181), (6, 2953454), (7, 2531532), (12, 1476727), (14, 1265766), (21, 843844), (28, 632883), (42, 421922), (84, 210961)]