21185436

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{10831}}^1$

素因数の和:11001

約数の個数: 24

約数和(自身を含む): 49740544

約数和(自身を除く): 28555108

約数列:

[1, 2, 3, 4, 6, 12, 163, 326, 489, 652, 978, 1956, 10831, 21662, 32493, 43324, 64986, 129972, 1765453, 3530906, 5296359, 7061812, 10592718, 21185436]

約数ペア:

[(1, 21185436), (2, 10592718), (3, 7061812), (4, 5296359), (6, 3530906), (12, 1765453), (163, 129972), (326, 64986), (489, 43324), (652, 32493), (978, 21662), (1956, 10831)]