21585798

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 52355520

約数和(自身を除く): 30769722

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 97, 117, 194, 234, 291, 317, 351, 582, 634, 702, 873, 951, 1261, 1746, 1902, 2522, 2619, 2853, 3783, 4121, 5238, 5706, 7566, 8242, 8559, 11349, 12363, 17118, 22698, 24726, 30749, 34047, 37089, 61498, 68094, 74178, 92247, 111267, 184494, 222534, 276741, 399737, 553482, 799474, 830223, 1199211, 1660446, 2398422, 3597633, 7195266, 10792899, 21585798]

約数ペア:

[(1, 21585798), (2, 10792899), (3, 7195266), (6, 3597633), (9, 2398422), (13, 1660446), (18, 1199211), (26, 830223), (27, 799474), (39, 553482), (54, 399737), (78, 276741), (97, 222534), (117, 184494), (194, 111267), (234, 92247), (291, 74178), (317, 68094), (351, 61498), (582, 37089), (634, 34047), (702, 30749), (873, 24726), (951, 22698), (1261, 17118), (1746, 12363), (1902, 11349), (2522, 8559), (2619, 8242), (2853, 7566), (3783, 5706), (4121, 5238)]