21937216

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2129}}^1$

素因数の和:2171

約数の個数: 56

約数和(自身を含む): 51937920

約数和(自身を除く): 30000704

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 161, 184, 224, 322, 368, 448, 644, 736, 1288, 1472, 2129, 2576, 4258, 5152, 8516, 10304, 14903, 17032, 29806, 34064, 48967, 59612, 68128, 97934, 119224, 136256, 195868, 238448, 342769, 391736, 476896, 685538, 783472, 953792, 1371076, 1566944, 2742152, 3133888, 5484304, 10968608, 21937216]

約数ペア:

[(1, 21937216), (2, 10968608), (4, 5484304), (7, 3133888), (8, 2742152), (14, 1566944), (16, 1371076), (23, 953792), (28, 783472), (32, 685538), (46, 476896), (56, 391736), (64, 342769), (92, 238448), (112, 195868), (161, 136256), (184, 119224), (224, 97934), (322, 68128), (368, 59612), (448, 48967), (644, 34064), (736, 29806), (1288, 17032), (1472, 14903), (2129, 10304), (2576, 8516), (4258, 5152)]