21658011004

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40710547}}^1$

素因数の和:40710577

約数の個数: 24

約数和(自身を含む): 45595813760

約数和(自身を除く): 23937802756

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40710547, 81421094, 162842188, 284973829, 569947658, 773500393, 1139895316, 1547000786, 3094001572, 5414502751, 10829005502, 21658011004]

約数ペア:

[(1, 21658011004), (2, 10829005502), (4, 5414502751), (7, 3094001572), (14, 1547000786), (19, 1139895316), (28, 773500393), (38, 569947658), (76, 284973829), (133, 162842188), (266, 81421094), (532, 40710547)]