21954400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2111}}^1$

素因数の和:2144

約数の個数: 72

約数和(自身を含む): 57746304

約数和(自身を除く): 35791904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2111, 2600, 4222, 5200, 8444, 10400, 10555, 16888, 21110, 27443, 33776, 42220, 52775, 54886, 67552, 84440, 105550, 109772, 137215, 168880, 211100, 219544, 274430, 337760, 422200, 439088, 548860, 686075, 844400, 878176, 1097720, 1372150, 1688800, 2195440, 2744300, 4390880, 5488600, 10977200, 21954400]

約数ペア:

[(1, 21954400), (2, 10977200), (4, 5488600), (5, 4390880), (8, 2744300), (10, 2195440), (13, 1688800), (16, 1372150), (20, 1097720), (25, 878176), (26, 844400), (32, 686075), (40, 548860), (50, 439088), (52, 422200), (65, 337760), (80, 274430), (100, 219544), (104, 211100), (130, 168880), (160, 137215), (200, 109772), (208, 105550), (260, 84440), (325, 67552), (400, 54886), (416, 52775), (520, 42220), (650, 33776), (800, 27443), (1040, 21110), (1300, 16888), (2080, 10555), (2111, 10400), (2600, 8444), (4222, 5200)]