21812994

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{743}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 54317952

約数和(自身を除く): 32504958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 233, 466, 699, 743, 1398, 1486, 1631, 2097, 2229, 3262, 4194, 4458, 4893, 5201, 6687, 9786, 10402, 13374, 14679, 15603, 29358, 31206, 46809, 93618, 173119, 346238, 519357, 1038714, 1211833, 1558071, 2423666, 3116142, 3635499, 7270998, 10906497, 21812994]

約数ペア:

[(1, 21812994), (2, 10906497), (3, 7270998), (6, 3635499), (7, 3116142), (9, 2423666), (14, 1558071), (18, 1211833), (21, 1038714), (42, 519357), (63, 346238), (126, 173119), (233, 93618), (466, 46809), (699, 31206), (743, 29358), (1398, 15603), (1486, 14679), (1631, 13374), (2097, 10402), (2229, 9786), (3262, 6687), (4194, 5201), (4458, 4893)]