21337686

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{677}}^1$

素因数の和:805

約数の個数: 48

約数和(自身を含む): 49499424

約数和(自身を除く): 28161738

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 103, 153, 206, 306, 309, 618, 677, 927, 1354, 1751, 1854, 2031, 3502, 4062, 5253, 6093, 10506, 11509, 12186, 15759, 23018, 31518, 34527, 69054, 69731, 103581, 139462, 207162, 209193, 418386, 627579, 1185427, 1255158, 2370854, 3556281, 7112562, 10668843, 21337686]

約数ペア:

[(1, 21337686), (2, 10668843), (3, 7112562), (6, 3556281), (9, 2370854), (17, 1255158), (18, 1185427), (34, 627579), (51, 418386), (102, 209193), (103, 207162), (153, 139462), (206, 103581), (306, 69731), (309, 69054), (618, 34527), (677, 31518), (927, 23018), (1354, 15759), (1751, 12186), (1854, 11509), (2031, 10506), (3502, 6093), (4062, 5253)]