21099287

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1103}}^1$

素因数の和:1198

約数の個数: 16

約数和(自身を含む): 24164352

約数和(自身を除く): 3065065

約数列:

[1, 11, 37, 47, 407, 517, 1103, 1739, 12133, 19129, 40811, 51841, 448921, 570251, 1918117, 21099287]

約数ペア:

[(1, 21099287), (11, 1918117), (37, 570251), (47, 448921), (407, 51841), (517, 40811), (1103, 19129), (1739, 12133)]