21786786

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{57637}}^1$

素因数の和:57655

約数の個数: 32

約数和(自身を含む): 55332480

約数和(自身を除く): 33545694

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 57637, 115274, 172911, 345822, 403459, 518733, 806918, 1037466, 1210377, 1556199, 2420754, 3112398, 3631131, 7262262, 10893393, 21786786]

約数ペア:

[(1, 21786786), (2, 10893393), (3, 7262262), (6, 3631131), (7, 3112398), (9, 2420754), (14, 1556199), (18, 1210377), (21, 1037466), (27, 806918), (42, 518733), (54, 403459), (63, 345822), (126, 172911), (189, 115274), (378, 57637)]