21000492007

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{357583}}^1$

素因数の和:357894

約数の個数: 16

約数和(自身を含む): 24201285120

約数和(自身を除く): 3200793113

約数列:

[1, 11, 19, 209, 281, 3091, 5339, 58729, 357583, 3933413, 6794077, 74734847, 100480823, 1105289053, 1909135637, 21000492007]

約数ペア:

[(1, 21000492007), (11, 1909135637), (19, 1105289053), (209, 100480823), (281, 74734847), (3091, 6794077), (5339, 3933413), (58729, 357583)]