21369459

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{6869}}^1$

素因数の和:6950

約数の個数: 16

約数和(自身を含む): 30667680

約数和(自身を除く): 9298221

約数列:

[1, 3, 17, 51, 61, 183, 1037, 3111, 6869, 20607, 116773, 350319, 419009, 1257027, 7123153, 21369459]

約数ペア:

[(1, 21369459), (3, 7123153), (17, 1257027), (51, 419009), (61, 350319), (183, 116773), (1037, 20607), (3111, 6869)]