21000343389

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21672181}}^1$

素因数の和:21672220

約数の個数: 16

約数和(自身を含む): 31207942080

約数和(自身を除く): 10207598691

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 21672181, 65016543, 368427077, 411771439, 1105281231, 1235314317, 7000114463, 21000343389]

約数ペア:

[(1, 21000343389), (3, 7000114463), (17, 1235314317), (19, 1105281231), (51, 411771439), (57, 368427077), (323, 65016543), (969, 21672181)]