21625431

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{3163}}^1$

素因数の和:3262

約数の個数: 16

約数和(自身を含む): 30070656

約数和(自身を除く): 8445225

約数列:

[1, 3, 43, 53, 129, 159, 2279, 3163, 6837, 9489, 136009, 167639, 408027, 502917, 7208477, 21625431]

約数ペア:

[(1, 21625431), (3, 7208477), (43, 502917), (53, 408027), (129, 167639), (159, 136009), (2279, 9489), (3163, 6837)]