21714730

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{27487}}^1$

素因数の和:27573

約数の個数: 16

約数和(自身を含む): 39582720

約数和(自身を除く): 17867990

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 27487, 54974, 137435, 274870, 2171473, 4342946, 10857365, 21714730]

約数ペア:

[(1, 21714730), (2, 10857365), (5, 4342946), (10, 2171473), (79, 274870), (158, 137435), (395, 54974), (790, 27487)]