21708846

素因数分解:

$2^1\times 3^2\times {\mathrm{991}}^1\times {\mathrm{1217}}^1$

素因数の和:2216

約数の個数: 24

約数和(自身を含む): 47121984

約数和(自身を除く): 25413138

約数列:

[1, 2, 3, 6, 9, 18, 991, 1217, 1982, 2434, 2973, 3651, 5946, 7302, 8919, 10953, 17838, 21906, 1206047, 2412094, 3618141, 7236282, 10854423, 21708846]

約数ペア:

[(1, 21708846), (2, 10854423), (3, 7236282), (6, 3618141), (9, 2412094), (18, 1206047), (991, 21906), (1217, 17838), (1982, 10953), (2434, 8919), (2973, 7302), (3651, 5946)]