21211149

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1\times {\mathrm{409}}^1$

素因数の和:764

約数の個数: 16

約数和(自身を含む): 28929600

約数和(自身を除く): 7718451

約数列:

[1, 3, 59, 177, 293, 409, 879, 1227, 17287, 24131, 51861, 72393, 119837, 359511, 7070383, 21211149]

約数ペア:

[(1, 21211149), (3, 7070383), (59, 359511), (177, 119837), (293, 72393), (409, 51861), (879, 24131), (1227, 17287)]