21808296

素因数分解:

$2^3\times 3^2\times {\mathrm{499}}^1\times {\mathrm{607}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 59280000

約数和(自身を除く): 37471704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 499, 607, 998, 1214, 1497, 1821, 1996, 2428, 2994, 3642, 3992, 4491, 4856, 5463, 5988, 7284, 8982, 10926, 11976, 14568, 17964, 21852, 35928, 43704, 302893, 605786, 908679, 1211572, 1817358, 2423144, 2726037, 3634716, 5452074, 7269432, 10904148, 21808296]

約数ペア:

[(1, 21808296), (2, 10904148), (3, 7269432), (4, 5452074), (6, 3634716), (8, 2726037), (9, 2423144), (12, 1817358), (18, 1211572), (24, 908679), (36, 605786), (72, 302893), (499, 43704), (607, 35928), (998, 21852), (1214, 17964), (1497, 14568), (1821, 11976), (1996, 10926), (2428, 8982), (2994, 7284), (3642, 5988), (3992, 5463), (4491, 4856)]