21037286

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1619}}^1$

素因数の和:1783

約数の個数: 16

約数和(自身を含む): 32367600

約数和(自身を除く): 11330314

約数列:

[1, 2, 73, 89, 146, 178, 1619, 3238, 6497, 12994, 118187, 144091, 236374, 288182, 10518643, 21037286]

約数ペア:

[(1, 21037286), (2, 10518643), (73, 288182), (89, 236374), (146, 144091), (178, 118187), (1619, 12994), (3238, 6497)]