21010983

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1061}}^1$

素因数の和:1135

約数の個数: 32

約数和(自身を含む): 34255872

約数和(自身を除く): 13244889

約数列:

[1, 3, 7, 21, 23, 41, 69, 123, 161, 287, 483, 861, 943, 1061, 2829, 3183, 6601, 7427, 19803, 22281, 24403, 43501, 73209, 130503, 170821, 304507, 512463, 913521, 1000523, 3001569, 7003661, 21010983]

約数ペア:

[(1, 21010983), (3, 7003661), (7, 3001569), (21, 1000523), (23, 913521), (41, 512463), (69, 304507), (123, 170821), (161, 130503), (287, 73209), (483, 43501), (861, 24403), (943, 22281), (1061, 19803), (2829, 7427), (3183, 6601)]