42821212

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{80491}}^1$

素因数の和:80521

約数の個数: 24

約数和(自身を含む): 90151040

約数和(自身を除く): 47329828

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 80491, 160982, 321964, 563437, 1126874, 1529329, 2253748, 3058658, 6117316, 10705303, 21410606, 42821212]

約数ペア:

[(1, 42821212), (2, 21410606), (4, 10705303), (7, 6117316), (14, 3058658), (19, 2253748), (28, 1529329), (38, 1126874), (76, 563437), (133, 321964), (266, 160982), (532, 80491)]