21445501

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{6793}}^1$

素因数の和:6852

約数の個数: 16

約数和(自身を含む): 27393408

約数和(自身を除く): 5947907

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 6793, 47551, 74723, 278513, 523061, 1949591, 3063643, 21445501]

約数ペア:

[(1, 21445501), (7, 3063643), (11, 1949591), (41, 523061), (77, 278513), (287, 74723), (451, 47551), (3157, 6793)]