21176127

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5897}}^1$

素因数の和:5932

約数の個数: 32

約数和(自身を含む): 37747200

約数和(自身を除く): 16571073

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5897, 17691, 41279, 53073, 112043, 123837, 159219, 336129, 371511, 784301, 1008387, 1114533, 2352903, 3025161, 7058709, 21176127]

約数ペア:

[(1, 21176127), (3, 7058709), (7, 3025161), (9, 2352903), (19, 1114533), (21, 1008387), (27, 784301), (57, 371511), (63, 336129), (133, 159219), (171, 123837), (189, 112043), (399, 53073), (513, 41279), (1197, 17691), (3591, 5897)]