21443478

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{72937}}^1$

素因数の和:72956

約数の個数: 24

約数和(自身を含む): 49889592

約数和(自身を除く): 28446114

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 72937, 145874, 218811, 437622, 510559, 1021118, 1531677, 3063354, 3573913, 7147826, 10721739, 21443478]

約数ペア:

[(1, 21443478), (2, 10721739), (3, 7147826), (6, 3573913), (7, 3063354), (14, 1531677), (21, 1021118), (42, 510559), (49, 437622), (98, 218811), (147, 145874), (294, 72937)]