21009076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{28087}}^1$

素因数の和:28119

約数の個数: 24

約数和(自身を含む): 42469056

約数和(自身を除く): 21459980

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 28087, 56174, 112348, 308957, 477479, 617914, 954958, 1235828, 1909916, 5252269, 10504538, 21009076]

約数ペア:

[(1, 21009076), (2, 10504538), (4, 5252269), (11, 1909916), (17, 1235828), (22, 954958), (34, 617914), (44, 477479), (68, 308957), (187, 112348), (374, 56174), (748, 28087)]