21728658

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{73907}}^1$

素因数の和:73926

約数の個数: 24

約数和(自身を含む): 50553072

約数和(自身を除く): 28824414

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 73907, 147814, 221721, 443442, 517349, 1034698, 1552047, 3104094, 3621443, 7242886, 10864329, 21728658]

約数ペア:

[(1, 21728658), (2, 10864329), (3, 7242886), (6, 3621443), (7, 3104094), (14, 1552047), (21, 1034698), (42, 517349), (49, 443442), (98, 221721), (147, 147814), (294, 73907)]