21002096

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{6221}}^1$

素因数の和:6440

約数の個数: 20

約数和(自身を含む): 40890984

約数和(自身を除く): 19888888

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 6221, 12442, 24884, 49768, 99536, 1312631, 2625262, 5250524, 10501048, 21002096]

約数ペア:

[(1, 21002096), (2, 10501048), (4, 5250524), (8, 2625262), (16, 1312631), (211, 99536), (422, 49768), (844, 24884), (1688, 12442), (3376, 6221)]