21618765

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22877}}^1$

素因数の和:22898

約数の個数: 32

約数和(自身を含む): 43925760

約数和(自身を除く): 22306995

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22877, 68631, 114385, 160139, 205893, 343155, 480417, 617679, 800695, 1029465, 1441251, 2402085, 3088395, 4323753, 7206255, 21618765]

約数ペア:

[(1, 21618765), (3, 7206255), (5, 4323753), (7, 3088395), (9, 2402085), (15, 1441251), (21, 1029465), (27, 800695), (35, 617679), (45, 480417), (63, 343155), (105, 205893), (135, 160139), (189, 114385), (315, 68631), (945, 22877)]