21956401

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{683}}^1$

素因数の和:792

約数の個数: 16

約数和(自身を含む): 24427008

約数和(自身を除く): 2470607

約数列:

[1, 17, 31, 61, 527, 683, 1037, 1891, 11611, 21173, 32147, 41663, 359941, 708271, 1291553, 21956401]

約数ペア:

[(1, 21956401), (17, 1291553), (31, 708271), (61, 359941), (527, 41663), (683, 32147), (1037, 21173), (1891, 11611)]