21474893

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4993}}^1$

素因数の和:5044

約数の個数: 16

約数和(自身を含む): 25888896

約数和(自身を除く): 4414003

約数列:

[1, 11, 17, 23, 187, 253, 391, 4301, 4993, 54923, 84881, 114839, 933691, 1263229, 1952263, 21474893]

約数ペア:

[(1, 21474893), (11, 1952263), (17, 1263229), (23, 933691), (187, 114839), (253, 84881), (391, 54923), (4301, 4993)]