21807324

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7867}}^1$

素因数の和:7895

約数の個数: 72

約数和(自身を含む): 68734848

約数和(自身を除く): 46927524

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7867, 15734, 23601, 31468, 47202, 55069, 70803, 86537, 94404, 110138, 141606, 165207, 173074, 220276, 259611, 283212, 330414, 346148, 495621, 519222, 605759, 660828, 778833, 991242, 1038444, 1211518, 1557666, 1817277, 1982484, 2423036, 3115332, 3634554, 5451831, 7269108, 10903662, 21807324]

約数ペア:

[(1, 21807324), (2, 10903662), (3, 7269108), (4, 5451831), (6, 3634554), (7, 3115332), (9, 2423036), (11, 1982484), (12, 1817277), (14, 1557666), (18, 1211518), (21, 1038444), (22, 991242), (28, 778833), (33, 660828), (36, 605759), (42, 519222), (44, 495621), (63, 346148), (66, 330414), (77, 283212), (84, 259611), (99, 220276), (126, 173074), (132, 165207), (154, 141606), (198, 110138), (231, 94404), (252, 86537), (308, 70803), (396, 55069), (462, 47202), (693, 31468), (924, 23601), (1386, 15734), (2772, 7867)]