21863385

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2281}}^1$

素因数の和:2366

約数の個数: 32

約数和(自身を含む): 39432960

約数和(自身を除く): 17569575

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 2281, 3195, 6843, 9585, 11405, 20529, 34215, 61587, 102645, 161951, 307935, 485853, 809755, 1457559, 2429265, 4372677, 7287795, 21863385]

約数ペア:

[(1, 21863385), (3, 7287795), (5, 4372677), (9, 2429265), (15, 1457559), (27, 809755), (45, 485853), (71, 307935), (135, 161951), (213, 102645), (355, 61587), (639, 34215), (1065, 20529), (1917, 11405), (2281, 9585), (3195, 6843)]