21452948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{6679}}^1$

素因数の和:6767

約数の個数: 24

約数和(自身を含む): 41522880

約数和(自身を除く): 20069932

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 6679, 13358, 26716, 73469, 146938, 293876, 487567, 975134, 1950268, 5363237, 10726474, 21452948]

約数ペア:

[(1, 21452948), (2, 10726474), (4, 5363237), (11, 1950268), (22, 975134), (44, 487567), (73, 293876), (146, 146938), (292, 73469), (803, 26716), (1606, 13358), (3212, 6679)]