21383736

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{757}}^1$

素因数の和:884

約数の個数: 64

約数和(自身を含む): 58942080

約数和(自身を除く): 37558344

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 107, 132, 214, 264, 321, 428, 642, 757, 856, 1177, 1284, 1514, 2271, 2354, 2568, 3028, 3531, 4542, 4708, 6056, 7062, 8327, 9084, 9416, 14124, 16654, 18168, 24981, 28248, 33308, 49962, 66616, 80999, 99924, 161998, 199848, 242997, 323996, 485994, 647992, 890989, 971988, 1781978, 1943976, 2672967, 3563956, 5345934, 7127912, 10691868, 21383736]

約数ペア:

[(1, 21383736), (2, 10691868), (3, 7127912), (4, 5345934), (6, 3563956), (8, 2672967), (11, 1943976), (12, 1781978), (22, 971988), (24, 890989), (33, 647992), (44, 485994), (66, 323996), (88, 242997), (107, 199848), (132, 161998), (214, 99924), (264, 80999), (321, 66616), (428, 49962), (642, 33308), (757, 28248), (856, 24981), (1177, 18168), (1284, 16654), (1514, 14124), (2271, 9416), (2354, 9084), (2568, 8327), (3028, 7062), (3531, 6056), (4542, 4708)]