21012043

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{877}}^1$

素因数の和:1006

約数の個数: 16

約数和(自身を含む): 24092320

約数和(自身を除く): 3080277

約数列:

[1, 13, 19, 97, 247, 877, 1261, 1843, 11401, 16663, 23959, 85069, 216619, 1105897, 1616311, 21012043]

約数ペア:

[(1, 21012043), (13, 1616311), (19, 1105897), (97, 216619), (247, 85069), (877, 23959), (1261, 16663), (1843, 11401)]