21199861456

素因数分解:

$2^4\times {\mathrm{13931}}^1\times {\mathrm{95111}}^1$

素因数の和:109050

約数の個数: 20

約数和(自身を含む): 41078111904

約数和(自身を除く): 19878250448

約数列:

[1, 2, 4, 8, 16, 13931, 27862, 55724, 95111, 111448, 190222, 222896, 380444, 760888, 1521776, 1324991341, 2649982682, 5299965364, 10599930728, 21199861456]

約数ペア:

[(1, 21199861456), (2, 10599930728), (4, 5299965364), (8, 2649982682), (16, 1324991341), (13931, 1521776), (27862, 760888), (55724, 380444), (95111, 222896), (111448, 190222)]