21029748

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{103087}}^1$

素因数の和:103111

約数の個数: 24

約数和(自身を含む): 51956352

約数和(自身を除く): 30926604

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 103087, 206174, 309261, 412348, 618522, 1237044, 1752479, 3504958, 5257437, 7009916, 10514874, 21029748]

約数ペア:

[(1, 21029748), (2, 10514874), (3, 7009916), (4, 5257437), (6, 3504958), (12, 1752479), (17, 1237044), (34, 618522), (51, 412348), (68, 309261), (102, 206174), (204, 103087)]