21252364

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{14321}}^1$

素因数の和:14385

約数の個数: 24

約数和(自身を含む): 43309728

約数和(自身を除く): 22057364

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 14321, 28642, 57284, 100247, 200494, 400988, 759013, 1518026, 3036052, 5313091, 10626182, 21252364]

約数ペア:

[(1, 21252364), (2, 10626182), (4, 5313091), (7, 3036052), (14, 1518026), (28, 759013), (53, 400988), (106, 200494), (212, 100247), (371, 57284), (742, 28642), (1484, 14321)]