21611792

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{4261}}^1$

素因数の和:4586

約数の個数: 20

約数和(自身を含む): 42014796

約数和(自身を除く): 20403004

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 4261, 5072, 8522, 17044, 34088, 68176, 1350737, 2701474, 5402948, 10805896, 21611792]

約数ペア:

[(1, 21611792), (2, 10805896), (4, 5402948), (8, 2701474), (16, 1350737), (317, 68176), (634, 34088), (1268, 17044), (2536, 8522), (4261, 5072)]