21070147292

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{1361}}^1\times {\mathrm{43487}}^1$

素因数の和:44941

約数の個数: 24

約数和(自身を含む): 37315313280

約数和(自身を除く): 16245165988

約数列:

[1, 2, 4, 89, 178, 356, 1361, 2722, 5444, 43487, 86974, 121129, 173948, 242258, 484516, 3870343, 7740686, 15481372, 59185807, 118371614, 236743228, 5267536823, 10535073646, 21070147292]

約数ペア:

[(1, 21070147292), (2, 10535073646), (4, 5267536823), (89, 236743228), (178, 118371614), (356, 59185807), (1361, 15481372), (2722, 7740686), (5444, 3870343), (43487, 484516), (86974, 242258), (121129, 173948)]