21686126

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20117}}^1$

素因数の和:20144

約数の個数: 24

約数和(自身を含む): 41282136

約数和(自身を除く): 19596010

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 20117, 40234, 140819, 221287, 281638, 442574, 985733, 1549009, 1971466, 3098018, 10843063, 21686126]

約数ペア:

[(1, 21686126), (2, 10843063), (7, 3098018), (11, 1971466), (14, 1549009), (22, 985733), (49, 442574), (77, 281638), (98, 221287), (154, 140819), (539, 40234), (1078, 20117)]