21572556

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{13723}}^1$

素因数の和:13861

約数の個数: 24

約数和(自身を含む): 50723904

約数和(自身を除く): 29151348

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 13723, 27446, 41169, 54892, 82338, 164676, 1797713, 3595426, 5393139, 7190852, 10786278, 21572556]

約数ペア:

[(1, 21572556), (2, 10786278), (3, 7190852), (4, 5393139), (6, 3595426), (12, 1797713), (131, 164676), (262, 82338), (393, 54892), (524, 41169), (786, 27446), (1572, 13723)]