21073364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3191}}^1$

素因数の和:3335

約数の個数: 24

約数和(自身を含む): 40040448

約数和(自身を除く): 18967084

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3191, 3302, 6382, 6604, 12764, 41483, 82966, 165932, 405257, 810514, 1621028, 5268341, 10536682, 21073364]

約数ペア:

[(1, 21073364), (2, 10536682), (4, 5268341), (13, 1621028), (26, 810514), (52, 405257), (127, 165932), (254, 82966), (508, 41483), (1651, 12764), (3191, 6604), (3302, 6382)]