21870396

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{6263}}^1$

素因数の和:6370

約数の個数: 36

約数和(自身を含む): 55862352

約数和(自身を除く): 33991956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 291, 388, 582, 873, 1164, 1746, 3492, 6263, 12526, 18789, 25052, 37578, 56367, 75156, 112734, 225468, 607511, 1215022, 1822533, 2430044, 3645066, 5467599, 7290132, 10935198, 21870396]

約数ペア:

[(1, 21870396), (2, 10935198), (3, 7290132), (4, 5467599), (6, 3645066), (9, 2430044), (12, 1822533), (18, 1215022), (36, 607511), (97, 225468), (194, 112734), (291, 75156), (388, 56367), (582, 37578), (873, 25052), (1164, 18789), (1746, 12526), (3492, 6263)]