21613792

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{1871}}^1$

素因数の和:1919

約数の個数: 36

約数和(自身を含む): 44933616

約数和(自身を除く): 23319824

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 361, 608, 722, 1444, 1871, 2888, 3742, 5776, 7484, 11552, 14968, 29936, 35549, 59872, 71098, 142196, 284392, 568784, 675431, 1137568, 1350862, 2701724, 5403448, 10806896, 21613792]

約数ペア:

[(1, 21613792), (2, 10806896), (4, 5403448), (8, 2701724), (16, 1350862), (19, 1137568), (32, 675431), (38, 568784), (76, 284392), (152, 142196), (304, 71098), (361, 59872), (608, 35549), (722, 29936), (1444, 14968), (1871, 11552), (2888, 7484), (3742, 5776)]