21265892

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2383}}^1$

素因数の和:2507

約数の個数: 24

約数和(自身を含む): 39250176

約数和(自身を除く): 17984284

約数列:

[1, 2, 4, 23, 46, 92, 97, 194, 388, 2231, 2383, 4462, 4766, 8924, 9532, 54809, 109618, 219236, 231151, 462302, 924604, 5316473, 10632946, 21265892]

約数ペア:

[(1, 21265892), (2, 10632946), (4, 5316473), (23, 924604), (46, 462302), (92, 231151), (97, 219236), (194, 109618), (388, 54809), (2231, 9532), (2383, 8924), (4462, 4766)]