21229446

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 49806144

約数和(自身を除く): 28576698

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 163, 294, 326, 443, 489, 886, 978, 1141, 1329, 2282, 2658, 3101, 3423, 6202, 6846, 7987, 9303, 15974, 18606, 21707, 23961, 43414, 47922, 65121, 72209, 130242, 144418, 216627, 433254, 505463, 1010926, 1516389, 3032778, 3538241, 7076482, 10614723, 21229446]

約数ペア:

[(1, 21229446), (2, 10614723), (3, 7076482), (6, 3538241), (7, 3032778), (14, 1516389), (21, 1010926), (42, 505463), (49, 433254), (98, 216627), (147, 144418), (163, 130242), (294, 72209), (326, 65121), (443, 47922), (489, 43414), (886, 23961), (978, 21707), (1141, 18606), (1329, 15974), (2282, 9303), (2658, 7987), (3101, 6846), (3423, 6202)]