21395892

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{254713}}^1$

素因数の和:254727

約数の個数: 24

約数和(自身を含む): 57055936

約数和(自身を除く): 35660044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 254713, 509426, 764139, 1018852, 1528278, 1782991, 3056556, 3565982, 5348973, 7131964, 10697946, 21395892]

約数ペア:

[(1, 21395892), (2, 10697946), (3, 7131964), (4, 5348973), (6, 3565982), (7, 3056556), (12, 1782991), (14, 1528278), (21, 1018852), (28, 764139), (42, 509426), (84, 254713)]