21898094

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2861}}^1$

素因数の和:2995

約数の個数: 16

約数和(自身を含む): 34000560

約数和(自身を除く): 12102466

約数列:

[1, 2, 43, 86, 89, 178, 2861, 3827, 5722, 7654, 123023, 246046, 254629, 509258, 10949047, 21898094]

約数ペア:

[(1, 21898094), (2, 10949047), (43, 509258), (86, 254629), (89, 246046), (178, 123023), (2861, 7654), (3827, 5722)]