21573440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9631}}^1$

素因数の和:9655

約数の個数: 56

約数和(自身を含む): 58716672

約数和(自身を除く): 37143232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9631, 19262, 38524, 48155, 67417, 77048, 96310, 134834, 154096, 192620, 269668, 308192, 337085, 385240, 539336, 616384, 674170, 770480, 1078672, 1348340, 1540960, 2157344, 2696680, 3081920, 4314688, 5393360, 10786720, 21573440]

約数ペア:

[(1, 21573440), (2, 10786720), (4, 5393360), (5, 4314688), (7, 3081920), (8, 2696680), (10, 2157344), (14, 1540960), (16, 1348340), (20, 1078672), (28, 770480), (32, 674170), (35, 616384), (40, 539336), (56, 385240), (64, 337085), (70, 308192), (80, 269668), (112, 192620), (140, 154096), (160, 134834), (224, 96310), (280, 77048), (320, 67417), (448, 48155), (560, 38524), (1120, 19262), (2240, 9631)]