21511852

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{3499}}^1$

素因数の和:3585

約数の個数: 24

約数和(自身を含む): 39690000

約数和(自身を除く): 18178148

約数列:

[1, 2, 4, 29, 53, 58, 106, 116, 212, 1537, 3074, 3499, 6148, 6998, 13996, 101471, 185447, 202942, 370894, 405884, 741788, 5377963, 10755926, 21511852]

約数ペア:

[(1, 21511852), (2, 10755926), (4, 5377963), (29, 741788), (53, 405884), (58, 370894), (106, 202942), (116, 185447), (212, 101471), (1537, 13996), (3074, 6998), (3499, 6148)]