21755754

素因数分解:

$2^1\times 3^2\times {\mathrm{523}}^1\times {\mathrm{2311}}^1$

素因数の和:2842

約数の個数: 24

約数和(自身を含む): 47248032

約数和(自身を除く): 25492278

約数列:

[1, 2, 3, 6, 9, 18, 523, 1046, 1569, 2311, 3138, 4622, 4707, 6933, 9414, 13866, 20799, 41598, 1208653, 2417306, 3625959, 7251918, 10877877, 21755754]

約数ペア:

[(1, 21755754), (2, 10877877), (3, 7251918), (6, 3625959), (9, 2417306), (18, 1208653), (523, 41598), (1046, 20799), (1569, 13866), (2311, 9414), (3138, 6933), (4622, 4707)]