21086628

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{42859}}^1$

素因数の和:42907

約数の個数: 24

約数和(自身を含む): 50403360

約数和(自身を除く): 29316732

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 42859, 85718, 128577, 171436, 257154, 514308, 1757219, 3514438, 5271657, 7028876, 10543314, 21086628]

約数ペア:

[(1, 21086628), (2, 10543314), (3, 7028876), (4, 5271657), (6, 3514438), (12, 1757219), (41, 514308), (82, 257154), (123, 171436), (164, 128577), (246, 85718), (492, 42859)]