21153726

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5623}}^1$

素因数の和:5661

約数の個数: 48

約数和(自身を含む): 52640640

約数和(自身を除く): 31486914

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 57, 66, 99, 114, 171, 198, 209, 342, 418, 627, 1254, 1881, 3762, 5623, 11246, 16869, 33738, 50607, 61853, 101214, 106837, 123706, 185559, 213674, 320511, 371118, 556677, 641022, 961533, 1113354, 1175207, 1923066, 2350414, 3525621, 7051242, 10576863, 21153726]

約数ペア:

[(1, 21153726), (2, 10576863), (3, 7051242), (6, 3525621), (9, 2350414), (11, 1923066), (18, 1175207), (19, 1113354), (22, 961533), (33, 641022), (38, 556677), (57, 371118), (66, 320511), (99, 213674), (114, 185559), (171, 123706), (198, 106837), (209, 101214), (342, 61853), (418, 50607), (627, 33738), (1254, 16869), (1881, 11246), (3762, 5623)]