21615789

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{32603}}^1$

素因数の和:32636

約数の個数: 16

約数和(自身を含む): 32864832

約数和(自身を除く): 11249043

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 32603, 97809, 423839, 554251, 1271517, 1662753, 7205263, 21615789]

約数ペア:

[(1, 21615789), (3, 7205263), (13, 1662753), (17, 1271517), (39, 554251), (51, 423839), (221, 97809), (663, 32603)]