21166743296

素因数分解:

$2^8\times {\mathrm{401}}^1\times {\mathrm{206191}}^1$

素因数の和:206608

約数の個数: 36

約数和(自身を含む): 42356373024

約数和(自身を除く): 21189629728

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 401, 802, 1604, 3208, 6416, 12832, 25664, 51328, 102656, 206191, 412382, 824764, 1649528, 3299056, 6598112, 13196224, 26392448, 52784896, 82682591, 165365182, 330730364, 661460728, 1322921456, 2645842912, 5291685824, 10583371648, 21166743296]

約数ペア:

[(1, 21166743296), (2, 10583371648), (4, 5291685824), (8, 2645842912), (16, 1322921456), (32, 661460728), (64, 330730364), (128, 165365182), (256, 82682591), (401, 52784896), (802, 26392448), (1604, 13196224), (3208, 6598112), (6416, 3299056), (12832, 1649528), (25664, 824764), (51328, 412382), (102656, 206191)]