21994923

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{1103}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 32537088

約数和(自身を除く): 10542165

約数列:

[1, 3, 17, 23, 51, 69, 289, 391, 867, 1103, 1173, 3309, 6647, 18751, 19941, 25369, 56253, 76107, 318767, 431273, 956301, 1293819, 7331641, 21994923]

約数ペア:

[(1, 21994923), (3, 7331641), (17, 1293819), (23, 956301), (51, 431273), (69, 318767), (289, 76107), (391, 56253), (867, 25369), (1103, 19941), (1173, 18751), (3309, 6647)]