21476637

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8741}}^1$

素因数の和:8770

約数の個数: 32

約数和(自身を含む): 39164160

約数和(自身を除く): 17687523

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8741, 26223, 61187, 78669, 113633, 183561, 236007, 340899, 550683, 795431, 1022697, 1652049, 2386293, 3068091, 7158879, 21476637]

約数ペア:

[(1, 21476637), (3, 7158879), (7, 3068091), (9, 2386293), (13, 1652049), (21, 1022697), (27, 795431), (39, 550683), (63, 340899), (91, 236007), (117, 183561), (189, 113633), (273, 78669), (351, 61187), (819, 26223), (2457, 8741)]