21994388630

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{51149741}}^1$

素因数の和:51149791

約数の個数: 16

約数和(自身を含む): 40510595664

約数和(自身を除く): 18516207034

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 51149741, 102299482, 255748705, 511497410, 2199438863, 4398877726, 10997194315, 21994388630]

約数ペア:

[(1, 21994388630), (2, 10997194315), (5, 4398877726), (10, 2199438863), (43, 511497410), (86, 255748705), (215, 102299482), (430, 51149741)]