21061593

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2371}}^1$

素因数の和:2434

約数の個数: 32

約数和(自身を含む): 36433920

約数和(自身を除く): 15372327

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2371, 2961, 7113, 8883, 16597, 21339, 49791, 64017, 111437, 149373, 334311, 448119, 780059, 1002933, 2340177, 3008799, 7020531, 21061593]

約数ペア:

[(1, 21061593), (3, 7020531), (7, 3008799), (9, 2340177), (21, 1002933), (27, 780059), (47, 448119), (63, 334311), (141, 149373), (189, 111437), (329, 64017), (423, 49791), (987, 21339), (1269, 16597), (2371, 8883), (2961, 7113)]