21755724

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{13043}}^1$

素因数の和:13189

約数の個数: 24

約数和(自身を含む): 51132480

約数和(自身を除く): 29376756

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 13043, 26086, 39129, 52172, 78258, 156516, 1812977, 3625954, 5438931, 7251908, 10877862, 21755724]

約数ペア:

[(1, 21755724), (2, 10877862), (3, 7251908), (4, 5438931), (6, 3625954), (12, 1812977), (139, 156516), (278, 78258), (417, 52172), (556, 39129), (834, 26086), (1668, 13043)]