21589280

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2287}}^1$

素因数の和:2361

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 30302560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 80, 118, 160, 236, 295, 472, 590, 944, 1180, 1888, 2287, 2360, 4574, 4720, 9148, 9440, 11435, 18296, 22870, 36592, 45740, 73184, 91480, 134933, 182960, 269866, 365920, 539732, 674665, 1079464, 1349330, 2158928, 2698660, 4317856, 5397320, 10794640, 21589280]

約数ペア:

[(1, 21589280), (2, 10794640), (4, 5397320), (5, 4317856), (8, 2698660), (10, 2158928), (16, 1349330), (20, 1079464), (32, 674665), (40, 539732), (59, 365920), (80, 269866), (118, 182960), (160, 134933), (236, 91480), (295, 73184), (472, 45740), (590, 36592), (944, 22870), (1180, 18296), (1888, 11435), (2287, 9440), (2360, 9148), (4574, 4720)]