21921165

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23197}}^1$

素因数の和:23218

約数の個数: 32

約数和(自身を含む): 44540160

約数和(自身を除く): 22618995

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 23197, 69591, 115985, 162379, 208773, 347955, 487137, 626319, 811895, 1043865, 1461411, 2435685, 3131595, 4384233, 7307055, 21921165]

約数ペア:

[(1, 21921165), (3, 7307055), (5, 4384233), (7, 3131595), (9, 2435685), (15, 1461411), (21, 1043865), (27, 811895), (35, 626319), (45, 487137), (63, 347955), (105, 208773), (135, 162379), (189, 115985), (315, 69591), (945, 23197)]