21386676

素因数分解:

$2^2\times 3^1\times {\mathrm{239}}^1\times {\mathrm{7457}}^1$

素因数の和:7703

約数の個数: 24

約数和(自身を含む): 50117760

約数和(自身を除く): 28731084

約数列:

[1, 2, 3, 4, 6, 12, 239, 478, 717, 956, 1434, 2868, 7457, 14914, 22371, 29828, 44742, 89484, 1782223, 3564446, 5346669, 7128892, 10693338, 21386676]

約数ペア:

[(1, 21386676), (2, 10693338), (3, 7128892), (4, 5346669), (6, 3564446), (12, 1782223), (239, 89484), (478, 44742), (717, 29828), (956, 22371), (1434, 14914), (2868, 7457)]