21757920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{45329}}^1$

素因数の和:45347

約数の個数: 48

約数和(自身を含む): 68538960

約数和(自身を除く): 46781040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 45329, 90658, 135987, 181316, 226645, 271974, 362632, 453290, 543948, 679935, 725264, 906580, 1087896, 1359870, 1450528, 1813160, 2175792, 2719740, 3626320, 4351584, 5439480, 7252640, 10878960, 21757920]

約数ペア:

[(1, 21757920), (2, 10878960), (3, 7252640), (4, 5439480), (5, 4351584), (6, 3626320), (8, 2719740), (10, 2175792), (12, 1813160), (15, 1450528), (16, 1359870), (20, 1087896), (24, 906580), (30, 725264), (32, 679935), (40, 543948), (48, 453290), (60, 362632), (80, 271974), (96, 226645), (120, 181316), (160, 135987), (240, 90658), (480, 45329)]