21713830439

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{397}}^1\times {\mathrm{1949}}^1$

素因数の和:2583

約数の個数: 32

約数和(自身を含む): 26325312000

約数和(自身を除く): 4611481561

約数列:

[1, 7, 19, 133, 211, 397, 1477, 1949, 2779, 4009, 7543, 13643, 28063, 37031, 52801, 83767, 259217, 411239, 586369, 773753, 1591573, 2878673, 5416271, 7813541, 11141011, 14701307, 54694787, 102909149, 163261883, 1142833181, 3101975777, 21713830439]

約数ペア:

[(1, 21713830439), (7, 3101975777), (19, 1142833181), (133, 163261883), (211, 102909149), (397, 54694787), (1477, 14701307), (1949, 11141011), (2779, 7813541), (4009, 5416271), (7543, 2878673), (13643, 1591573), (28063, 773753), (37031, 586369), (52801, 411239), (83767, 259217)]