21478926

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2857}}^1$

素因数の和:3048

約数の個数: 32

約数和(自身を含む): 49386240

約数和(自身を除く): 27907314

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 179, 358, 537, 1074, 1253, 2506, 2857, 3759, 5714, 7518, 8571, 17142, 19999, 39998, 59997, 119994, 511403, 1022806, 1534209, 3068418, 3579821, 7159642, 10739463, 21478926]

約数ペア:

[(1, 21478926), (2, 10739463), (3, 7159642), (6, 3579821), (7, 3068418), (14, 1534209), (21, 1022806), (42, 511403), (179, 119994), (358, 59997), (537, 39998), (1074, 19999), (1253, 17142), (2506, 8571), (2857, 7518), (3759, 5714)]