21995344

素因数分解:

$2^4\times 7^1\times {\mathrm{196387}}^1$

素因数の和:196402

約数の個数: 20

約数和(自身を含む): 48704224

約数和(自身を除く): 26708880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 196387, 392774, 785548, 1374709, 1571096, 2749418, 3142192, 5498836, 10997672, 21995344]

約数ペア:

[(1, 21995344), (2, 10997672), (4, 5498836), (7, 3142192), (8, 2749418), (14, 1571096), (16, 1374709), (28, 785548), (56, 392774), (112, 196387)]