21946715

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 9848485

約数列:

[1, 5, 7, 23, 35, 115, 137, 161, 199, 685, 805, 959, 995, 1393, 3151, 4577, 4795, 6965, 15755, 22057, 22885, 27263, 32039, 110285, 136315, 160195, 190841, 627049, 954205, 3135245, 4389343, 21946715]

約数ペア:

[(1, 21946715), (5, 4389343), (7, 3135245), (23, 954205), (35, 627049), (115, 190841), (137, 160195), (161, 136315), (199, 110285), (685, 32039), (805, 27263), (959, 22885), (995, 22057), (1393, 15755), (3151, 6965), (4577, 4795)]