21556116

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{6173}}^1$

素因数の和:6280

約数の個数: 36

約数和(自身を含む): 55059732

約数和(自身を除く): 33503616

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 291, 388, 582, 873, 1164, 1746, 3492, 6173, 12346, 18519, 24692, 37038, 55557, 74076, 111114, 222228, 598781, 1197562, 1796343, 2395124, 3592686, 5389029, 7185372, 10778058, 21556116]

約数ペア:

[(1, 21556116), (2, 10778058), (3, 7185372), (4, 5389029), (6, 3592686), (9, 2395124), (12, 1796343), (18, 1197562), (36, 598781), (97, 222228), (194, 111114), (291, 74076), (388, 55557), (582, 37038), (873, 24692), (1164, 18519), (1746, 12346), (3492, 6173)]