21789198

素因数分解:

$2^1\times 3^2\times {\mathrm{547}}^1\times {\mathrm{2213}}^1$

素因数の和:2768

約数の個数: 24

約数和(自身を含む): 47317608

約数和(自身を除く): 25528410

約数列:

[1, 2, 3, 6, 9, 18, 547, 1094, 1641, 2213, 3282, 4426, 4923, 6639, 9846, 13278, 19917, 39834, 1210511, 2421022, 3631533, 7263066, 10894599, 21789198]

約数ペア:

[(1, 21789198), (2, 10894599), (3, 7263066), (6, 3631533), (9, 2421022), (18, 1210511), (547, 39834), (1094, 19917), (1641, 13278), (2213, 9846), (3282, 6639), (4426, 4923)]