21682864

素因数分解:

$2^4\times 7^1\times {\mathrm{193597}}^1$

素因数の和:193612

約数の個数: 20

約数和(自身を含む): 48012304

約数和(自身を除く): 26329440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193597, 387194, 774388, 1355179, 1548776, 2710358, 3097552, 5420716, 10841432, 21682864]

約数ペア:

[(1, 21682864), (2, 10841432), (4, 5420716), (7, 3097552), (8, 2710358), (14, 1548776), (16, 1355179), (28, 774388), (56, 387194), (112, 193597)]