221420012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1579}}^1\times {\mathrm{3187}}^1$

素因数の和:4781

約数の個数: 24

約数和(自身を含む): 423111360

約数和(自身を除く): 201691348

約数列:

[1, 2, 4, 11, 22, 44, 1579, 3158, 3187, 6316, 6374, 12748, 17369, 34738, 35057, 69476, 70114, 140228, 5032273, 10064546, 20129092, 55355003, 110710006, 221420012]

約数ペア:

[(1, 221420012), (2, 110710006), (4, 55355003), (11, 20129092), (22, 10064546), (44, 5032273), (1579, 140228), (3158, 70114), (3187, 69476), (6316, 35057), (6374, 34738), (12748, 17369)]