21979692

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{87221}}^1$

素因数の和:87238

約数の個数: 36

約数和(自身を含む): 63497616

約数和(自身を除く): 41517924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 87221, 174442, 261663, 348884, 523326, 610547, 784989, 1046652, 1221094, 1569978, 1831641, 2442188, 3139956, 3663282, 5494923, 7326564, 10989846, 21979692]

約数ペア:

[(1, 21979692), (2, 10989846), (3, 7326564), (4, 5494923), (6, 3663282), (7, 3139956), (9, 2442188), (12, 1831641), (14, 1569978), (18, 1221094), (21, 1046652), (28, 784989), (36, 610547), (42, 523326), (63, 348884), (84, 261663), (126, 174442), (252, 87221)]