21224279

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:386

約数の個数: 16

約数和(自身を含む): 23186016

約数和(自身を除く): 1961737

約数列:

[1, 17, 61, 97, 211, 1037, 1649, 3587, 5917, 12871, 20467, 100589, 218807, 347939, 1248487, 21224279]

約数ペア:

[(1, 21224279), (17, 1248487), (61, 347939), (97, 218807), (211, 100589), (1037, 20467), (1649, 12871), (3587, 5917)]