21922516

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{653}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 48343680

約数和(自身を除く): 26421164

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 109, 154, 218, 308, 436, 653, 763, 1199, 1306, 1526, 2398, 2612, 3052, 4571, 4796, 7183, 8393, 9142, 14366, 16786, 18284, 28732, 33572, 50281, 71177, 100562, 142354, 201124, 284708, 498239, 782947, 996478, 1565894, 1992956, 3131788, 5480629, 10961258, 21922516]

約数ペア:

[(1, 21922516), (2, 10961258), (4, 5480629), (7, 3131788), (11, 1992956), (14, 1565894), (22, 996478), (28, 782947), (44, 498239), (77, 284708), (109, 201124), (154, 142354), (218, 100562), (308, 71177), (436, 50281), (653, 33572), (763, 28732), (1199, 18284), (1306, 16786), (1526, 14366), (2398, 9142), (2612, 8393), (3052, 7183), (4571, 4796)]