21125425533

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{6277}}^1\times {\mathrm{23869}}^1$

素因数の和:30196

約数の個数: 16

約数和(自身を含む): 28772325120

約数和(自身を除く): 7646899587

約数列:

[1, 3, 47, 141, 6277, 18831, 23869, 71607, 295019, 885057, 1121843, 3365529, 149825713, 449477139, 7041808511, 21125425533]

約数ペア:

[(1, 21125425533), (3, 7041808511), (47, 449477139), (141, 149825713), (6277, 3365529), (18831, 1121843), (23869, 885057), (71607, 295019)]