21494312

素因数分解:

$2^3\times 7^1\times {\mathrm{463}}^1\times {\mathrm{829}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 46214400

約数和(自身を除く): 24720088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 463, 829, 926, 1658, 1852, 3241, 3316, 3704, 5803, 6482, 6632, 11606, 12964, 23212, 25928, 46424, 383827, 767654, 1535308, 2686789, 3070616, 5373578, 10747156, 21494312]

約数ペア:

[(1, 21494312), (2, 10747156), (4, 5373578), (7, 3070616), (8, 2686789), (14, 1535308), (28, 767654), (56, 383827), (463, 46424), (829, 25928), (926, 23212), (1658, 12964), (1852, 11606), (3241, 6632), (3316, 6482), (3704, 5803)]