21176982

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{3259}}^1$

素因数の和:3305

約数の個数: 36

約数和(自身を含む): 48440340

約数和(自身を除く): 27263358

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 361, 722, 1083, 2166, 3249, 3259, 6498, 6518, 9777, 19554, 29331, 58662, 61921, 123842, 185763, 371526, 557289, 1114578, 1176499, 2352998, 3529497, 7058994, 10588491, 21176982]

約数ペア:

[(1, 21176982), (2, 10588491), (3, 7058994), (6, 3529497), (9, 2352998), (18, 1176499), (19, 1114578), (38, 557289), (57, 371526), (114, 185763), (171, 123842), (342, 61921), (361, 58662), (722, 29331), (1083, 19554), (2166, 9777), (3249, 6518), (3259, 6498)]