21091266

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{2657}}^1$

素因数の和:2685

約数の個数: 60

約数和(自身を含む): 54996678

約数和(自身を除く): 33905412

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 378, 441, 567, 882, 1134, 1323, 2646, 2657, 3969, 5314, 7938, 7971, 15942, 18599, 23913, 37198, 47826, 55797, 71739, 111594, 130193, 143478, 167391, 215217, 260386, 334782, 390579, 430434, 502173, 781158, 1004346, 1171737, 1506519, 2343474, 3013038, 3515211, 7030422, 10545633, 21091266]

約数ペア:

[(1, 21091266), (2, 10545633), (3, 7030422), (6, 3515211), (7, 3013038), (9, 2343474), (14, 1506519), (18, 1171737), (21, 1004346), (27, 781158), (42, 502173), (49, 430434), (54, 390579), (63, 334782), (81, 260386), (98, 215217), (126, 167391), (147, 143478), (162, 130193), (189, 111594), (294, 71739), (378, 55797), (441, 47826), (567, 37198), (882, 23913), (1134, 18599), (1323, 15942), (2646, 7971), (2657, 7938), (3969, 5314)]