21268026

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{937}}^1$

素因数の和:1055

約数の個数: 48

約数和(自身を含む): 50190504

約数和(自身を除く): 28922478

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 97, 117, 194, 234, 291, 582, 873, 937, 1261, 1746, 1874, 2522, 2811, 3783, 5622, 7566, 8433, 11349, 12181, 16866, 22698, 24362, 36543, 73086, 90889, 109629, 181778, 219258, 272667, 545334, 818001, 1181557, 1636002, 2363114, 3544671, 7089342, 10634013, 21268026]

約数ペア:

[(1, 21268026), (2, 10634013), (3, 7089342), (6, 3544671), (9, 2363114), (13, 1636002), (18, 1181557), (26, 818001), (39, 545334), (78, 272667), (97, 219258), (117, 181778), (194, 109629), (234, 90889), (291, 73086), (582, 36543), (873, 24362), (937, 22698), (1261, 16866), (1746, 12181), (1874, 11349), (2522, 8433), (2811, 7566), (3783, 5622)]