21889760

素因数分解:

$2^5\times 5^1\times {\mathrm{136811}}^1$

素因数の和:136826

約数の個数: 24

約数和(自身を含む): 51714936

約数和(自身を除く): 29825176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 136811, 273622, 547244, 684055, 1094488, 1368110, 2188976, 2736220, 4377952, 5472440, 10944880, 21889760]

約数ペア:

[(1, 21889760), (2, 10944880), (4, 5472440), (5, 4377952), (8, 2736220), (10, 2188976), (16, 1368110), (20, 1094488), (32, 684055), (40, 547244), (80, 273622), (160, 136811)]