21452330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4909}}^1$

素因数の和:4958

約数の個数: 32

約数和(自身を含む): 42422400

約数和(自身を除く): 20970070

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 4909, 9818, 24545, 49090, 93271, 112907, 186542, 225814, 466355, 564535, 932710, 1129070, 2145233, 4290466, 10726165, 21452330]

約数ペア:

[(1, 21452330), (2, 10726165), (5, 4290466), (10, 2145233), (19, 1129070), (23, 932710), (38, 564535), (46, 466355), (95, 225814), (115, 186542), (190, 112907), (230, 93271), (437, 49090), (874, 24545), (2185, 9818), (4370, 4909)]