21209358

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8089}}^1$

素因数の和:8136

約数の個数: 32

約数和(自身を含む): 46598400

約数和(自身を除く): 25389042

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 437, 874, 1311, 2622, 8089, 16178, 24267, 48534, 153691, 186047, 307382, 372094, 461073, 558141, 922146, 1116282, 3534893, 7069786, 10604679, 21209358]

約数ペア:

[(1, 21209358), (2, 10604679), (3, 7069786), (6, 3534893), (19, 1116282), (23, 922146), (38, 558141), (46, 461073), (57, 372094), (69, 307382), (114, 186047), (138, 153691), (437, 48534), (874, 24267), (1311, 16178), (2622, 8089)]