21131912

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{44771}}^1$

素因数の和:44836

約数の個数: 16

約数和(自身を含む): 40294800

約数和(自身を除く): 19162888

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 44771, 89542, 179084, 358168, 2641489, 5282978, 10565956, 21131912]

約数ペア:

[(1, 21131912), (2, 10565956), (4, 5282978), (8, 2641489), (59, 358168), (118, 179084), (236, 89542), (472, 44771)]