21875406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{701}}^1\times {\mathrm{743}}^1$

素因数の和:1456

約数の個数: 32

約数和(自身を含む): 50139648

約数和(自身を除く): 28264242

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 701, 743, 1402, 1486, 2103, 2229, 4206, 4458, 4907, 5201, 9814, 10402, 14721, 15603, 29442, 31206, 520843, 1041686, 1562529, 3125058, 3645901, 7291802, 10937703, 21875406]

約数ペア:

[(1, 21875406), (2, 10937703), (3, 7291802), (6, 3645901), (7, 3125058), (14, 1562529), (21, 1041686), (42, 520843), (701, 31206), (743, 29442), (1402, 15603), (1486, 14721), (2103, 10402), (2229, 9814), (4206, 5201), (4458, 4907)]