21857866

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 36547200

約数和(自身を除く): 14689334

約数列:

[1, 2, 19, 23, 38, 46, 89, 178, 281, 437, 562, 874, 1691, 2047, 3382, 4094, 5339, 6463, 10678, 12926, 25009, 38893, 50018, 77786, 122797, 245594, 475171, 575207, 950342, 1150414, 10928933, 21857866]

約数ペア:

[(1, 21857866), (2, 10928933), (19, 1150414), (23, 950342), (38, 575207), (46, 475171), (89, 245594), (178, 122797), (281, 77786), (437, 50018), (562, 38893), (874, 25009), (1691, 12926), (2047, 10678), (3382, 6463), (4094, 5339)]