21940854

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2731}}^1$

素因数の和:2852

約数の個数: 32

約数和(自身を含む): 47733504

約数和(自身を除く): 25792650

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 103, 206, 309, 618, 1339, 2678, 2731, 4017, 5462, 8034, 8193, 16386, 35503, 71006, 106509, 213018, 281293, 562586, 843879, 1687758, 3656809, 7313618, 10970427, 21940854]

約数ペア:

[(1, 21940854), (2, 10970427), (3, 7313618), (6, 3656809), (13, 1687758), (26, 843879), (39, 562586), (78, 281293), (103, 213018), (206, 106509), (309, 71006), (618, 35503), (1339, 16386), (2678, 8193), (2731, 8034), (4017, 5462)]