21943096

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2819}}^1$

素因数の和:2971

約数の個数: 32

約数和(自身を含む): 47376000

約数和(自身を除く): 25432904

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 2819, 3892, 5638, 7784, 11276, 19733, 22552, 39466, 78932, 157864, 391841, 783682, 1567364, 2742887, 3134728, 5485774, 10971548, 21943096]

約数ペア:

[(1, 21943096), (2, 10971548), (4, 5485774), (7, 3134728), (8, 2742887), (14, 1567364), (28, 783682), (56, 391841), (139, 157864), (278, 78932), (556, 39466), (973, 22552), (1112, 19733), (1946, 11276), (2819, 7784), (3892, 5638)]