21373803

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1033}}^1$

素因数の和:1080

約数の個数: 36

約数和(自身を含む): 35755720

約数和(自身を除く): 14381917

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 121, 171, 209, 363, 627, 1033, 1089, 1881, 2299, 3099, 6897, 9297, 11363, 19627, 20691, 34089, 58881, 102267, 124993, 176643, 215897, 374979, 647691, 1124937, 1943073, 2374867, 7124601, 21373803]

約数ペア:

[(1, 21373803), (3, 7124601), (9, 2374867), (11, 1943073), (19, 1124937), (33, 647691), (57, 374979), (99, 215897), (121, 176643), (171, 124993), (209, 102267), (363, 58881), (627, 34089), (1033, 20691), (1089, 19627), (1881, 11363), (2299, 9297), (3099, 6897)]