21211852

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{6637}}^1$

素因数の和:6705

約数の個数: 24

約数和(自身を含む): 40146624

約数和(自身を除く): 18934772

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 188, 799, 1598, 3196, 6637, 13274, 26548, 112829, 225658, 311939, 451316, 623878, 1247756, 5302963, 10605926, 21211852]

約数ペア:

[(1, 21211852), (2, 10605926), (4, 5302963), (17, 1247756), (34, 623878), (47, 451316), (68, 311939), (94, 225658), (188, 112829), (799, 26548), (1598, 13274), (3196, 6637)]