221811576

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1320307}}^1$

素因数の和:1320323

約数の個数: 32

約数和(自身を含む): 633747840

約数和(自身を除く): 411936264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1320307, 2640614, 3960921, 5281228, 7921842, 9242149, 10562456, 15843684, 18484298, 27726447, 31687368, 36968596, 55452894, 73937192, 110905788, 221811576]

約数ペア:

[(1, 221811576), (2, 110905788), (3, 73937192), (4, 55452894), (6, 36968596), (7, 31687368), (8, 27726447), (12, 18484298), (14, 15843684), (21, 10562456), (24, 9242149), (28, 7921842), (42, 5281228), (56, 3960921), (84, 2640614), (168, 1320307)]