21357054

素因数分解:

$2^1\times 3^3\times {\mathrm{67}}^1\times {\mathrm{5903}}^1$

素因数の和:5981

約数の個数: 32

約数和(自身を含む): 48176640

約数和(自身を除く): 26819586

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809, 3618, 5903, 11806, 17709, 35418, 53127, 106254, 159381, 318762, 395501, 791002, 1186503, 2373006, 3559509, 7119018, 10678527, 21357054]

約数ペア:

[(1, 21357054), (2, 10678527), (3, 7119018), (6, 3559509), (9, 2373006), (18, 1186503), (27, 791002), (54, 395501), (67, 318762), (134, 159381), (201, 106254), (402, 53127), (603, 35418), (1206, 17709), (1809, 11806), (3618, 5903)]