21893648

素因数分解:

$2^4\times 7^1\times {\mathrm{195479}}^1$

素因数の和:195494

約数の個数: 20

約数和(自身を含む): 48479040

約数和(自身を除く): 26585392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 195479, 390958, 781916, 1368353, 1563832, 2736706, 3127664, 5473412, 10946824, 21893648]

約数ペア:

[(1, 21893648), (2, 10946824), (4, 5473412), (7, 3127664), (8, 2736706), (14, 1563832), (16, 1368353), (28, 781916), (56, 390958), (112, 195479)]