21213964

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{4253}}^1$

素因数の和:4329

約数の個数: 24

約数和(自身を含む): 39306960

約数和(自身を除く): 18092996

約数列:

[1, 2, 4, 29, 43, 58, 86, 116, 172, 1247, 2494, 4253, 4988, 8506, 17012, 123337, 182879, 246674, 365758, 493348, 731516, 5303491, 10606982, 21213964]

約数ペア:

[(1, 21213964), (2, 10606982), (4, 5303491), (29, 731516), (43, 493348), (58, 365758), (86, 246674), (116, 182879), (172, 123337), (1247, 17012), (2494, 8506), (4253, 4988)]