21553239123

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2523503}}^1$

素因数の和:2523595

約数の個数: 24

約数和(自身を含む): 33986551872

約数和(自身を除く): 12433312749

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 657, 949, 2847, 8541, 2523503, 7570509, 22711527, 32805539, 98416617, 184215719, 295249851, 552647157, 1657941471, 2394804347, 7184413041, 21553239123]

約数ペア:

[(1, 21553239123), (3, 7184413041), (9, 2394804347), (13, 1657941471), (39, 552647157), (73, 295249851), (117, 184215719), (219, 98416617), (657, 32805539), (949, 22711527), (2847, 7570509), (8541, 2523503)]