21681594

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^3$

素因数の和:94

約数の個数: 80

約数和(自身を含む): 55408320

約数和(自身を除く): 33726726

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 27, 33, 46, 54, 66, 69, 81, 99, 138, 162, 198, 207, 253, 297, 414, 506, 529, 594, 621, 759, 891, 1058, 1242, 1518, 1587, 1782, 1863, 2277, 3174, 3726, 4554, 4761, 5819, 6831, 9522, 11638, 12167, 13662, 14283, 17457, 20493, 24334, 28566, 34914, 36501, 40986, 42849, 52371, 73002, 85698, 104742, 109503, 133837, 157113, 219006, 267674, 314226, 328509, 401511, 471339, 657018, 803022, 942678, 985527, 1204533, 1971054, 2409066, 3613599, 7227198, 10840797, 21681594]

約数ペア:

[(1, 21681594), (2, 10840797), (3, 7227198), (6, 3613599), (9, 2409066), (11, 1971054), (18, 1204533), (22, 985527), (23, 942678), (27, 803022), (33, 657018), (46, 471339), (54, 401511), (66, 328509), (69, 314226), (81, 267674), (99, 219006), (138, 157113), (162, 133837), (198, 109503), (207, 104742), (253, 85698), (297, 73002), (414, 52371), (506, 42849), (529, 40986), (594, 36501), (621, 34914), (759, 28566), (891, 24334), (1058, 20493), (1242, 17457), (1518, 14283), (1587, 13662), (1782, 12167), (1863, 11638), (2277, 9522), (3174, 6831), (3726, 5819), (4554, 4761)]