21081032

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19813}}^1$

素因数の和:19845

約数の個数: 32

約数和(自身を含む): 47553600

約数和(自身を除く): 26472568

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19813, 39626, 79252, 138691, 158504, 277382, 376447, 554764, 752894, 1109528, 1505788, 2635129, 3011576, 5270258, 10540516, 21081032]

約数ペア:

[(1, 21081032), (2, 10540516), (4, 5270258), (7, 3011576), (8, 2635129), (14, 1505788), (19, 1109528), (28, 752894), (38, 554764), (56, 376447), (76, 277382), (133, 158504), (152, 138691), (266, 79252), (532, 39626), (1064, 19813)]