21224294

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{421}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 39418176

約数和(自身を除く): 18193882

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 277, 421, 554, 842, 1939, 2947, 3601, 3878, 5473, 5894, 7202, 10946, 25207, 38311, 50414, 76622, 116617, 233234, 816319, 1516021, 1632638, 3032042, 10612147, 21224294]

約数ペア:

[(1, 21224294), (2, 10612147), (7, 3032042), (13, 1632638), (14, 1516021), (26, 816319), (91, 233234), (182, 116617), (277, 76622), (421, 50414), (554, 38311), (842, 25207), (1939, 10946), (2947, 7202), (3601, 5894), (3878, 5473)]