21786444

素因数分解:

$2^2\times 3^2\times {\mathrm{607}}^1\times {\mathrm{997}}^1$

素因数の和:1614

約数の個数: 36

約数和(自身を含む): 55217344

約数和(自身を除く): 33430900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 607, 997, 1214, 1821, 1994, 2428, 2991, 3642, 3988, 5463, 5982, 7284, 8973, 10926, 11964, 17946, 21852, 35892, 605179, 1210358, 1815537, 2420716, 3631074, 5446611, 7262148, 10893222, 21786444]

約数ペア:

[(1, 21786444), (2, 10893222), (3, 7262148), (4, 5446611), (6, 3631074), (9, 2420716), (12, 1815537), (18, 1210358), (36, 605179), (607, 35892), (997, 21852), (1214, 17946), (1821, 11964), (1994, 10926), (2428, 8973), (2991, 7284), (3642, 5982), (3988, 5463)]