21568190785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{31627}}^1$

素因数の和:31833

約数の個数: 32

約数和(自身を含む): 28037083392

約数和(自身を除く): 6468892607

約数列:

[1, 5, 17, 71, 85, 113, 355, 565, 1207, 1921, 6035, 8023, 9605, 31627, 40115, 136391, 158135, 537659, 681955, 2245517, 2688295, 3573851, 11227585, 17869255, 38173789, 60755467, 190868945, 253743421, 303777335, 1268717105, 4313638157, 21568190785]

約数ペア:

[(1, 21568190785), (5, 4313638157), (17, 1268717105), (71, 303777335), (85, 253743421), (113, 190868945), (355, 60755467), (565, 38173789), (1207, 17869255), (1921, 11227585), (6035, 3573851), (8023, 2688295), (9605, 2245517), (31627, 681955), (40115, 537659), (136391, 158135)]