21707364

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{258421}}^1$

素因数の和:258435

約数の個数: 24

約数和(自身を含む): 57886528

約数和(自身を除く): 36179164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 258421, 516842, 775263, 1033684, 1550526, 1808947, 3101052, 3617894, 5426841, 7235788, 10853682, 21707364]

約数ペア:

[(1, 21707364), (2, 10853682), (3, 7235788), (4, 5426841), (6, 3617894), (7, 3101052), (12, 1808947), (14, 1550526), (21, 1033684), (28, 775263), (42, 516842), (84, 258421)]