2021002315

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1\times {\mathrm{509}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 2544696000

約数和(自身を除く): 523693685

約数列:

[1, 5, 29, 139, 145, 197, 509, 695, 985, 2545, 4031, 5713, 14761, 20155, 27383, 28565, 70751, 73805, 100273, 136915, 353755, 501365, 794107, 2051779, 2907917, 3970535, 10258895, 13937947, 14539585, 69689735, 404200463, 2021002315]

約数ペア:

[(1, 2021002315), (5, 404200463), (29, 69689735), (139, 14539585), (145, 13937947), (197, 10258895), (509, 3970535), (695, 2907917), (985, 2051779), (2545, 794107), (4031, 501365), (5713, 353755), (14761, 136915), (20155, 100273), (27383, 73805), (28565, 70751)]