2021621805

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{6417847}}^1$

素因数の和:6417865

約数の個数: 24

約数和(自身を含む): 4004737152

約数和(自身を除く): 1983115347

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 6417847, 19253541, 32089235, 44924929, 57760623, 96267705, 134774787, 224624645, 288803115, 404324361, 673873935, 2021621805]

約数ペア:

[(1, 2021621805), (3, 673873935), (5, 404324361), (7, 288803115), (9, 224624645), (15, 134774787), (21, 96267705), (35, 57760623), (45, 44924929), (63, 32089235), (105, 19253541), (315, 6417847)]