21769916

素因数分解:

$2^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1019}}^1$

素因数の和:1146

約数の個数: 36

約数和(自身を含む): 44767800

約数和(自身を除く): 22997884

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 109, 196, 218, 436, 763, 1019, 1526, 2038, 3052, 4076, 5341, 7133, 10682, 14266, 21364, 28532, 49931, 99862, 111071, 199724, 222142, 444284, 777497, 1554994, 3109988, 5442479, 10884958, 21769916]

約数ペア:

[(1, 21769916), (2, 10884958), (4, 5442479), (7, 3109988), (14, 1554994), (28, 777497), (49, 444284), (98, 222142), (109, 199724), (196, 111071), (218, 99862), (436, 49931), (763, 28532), (1019, 21364), (1526, 14266), (2038, 10682), (3052, 7133), (4076, 5341)]