21504803

素因数分解:

${\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:286

約数の個数: 16

約数和(自身を含む): 22861440

約数和(自身を除く): 1356637

約数列:

[1, 47, 53, 89, 97, 2491, 4183, 4559, 4717, 5141, 8633, 221699, 241627, 405751, 457549, 21504803]

約数ペア:

[(1, 21504803), (47, 457549), (53, 405751), (89, 241627), (97, 221699), (2491, 8633), (4183, 5141), (4559, 4717)]