21240174

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3929}}^1$

素因数の和:4004

約数の個数: 32

約数和(自身を含む): 45839520

約数和(自身を除く): 24599346

約数列:

[1, 2, 3, 6, 17, 34, 51, 53, 102, 106, 159, 318, 901, 1802, 2703, 3929, 5406, 7858, 11787, 23574, 66793, 133586, 200379, 208237, 400758, 416474, 624711, 1249422, 3540029, 7080058, 10620087, 21240174]

約数ペア:

[(1, 21240174), (2, 10620087), (3, 7080058), (6, 3540029), (17, 1249422), (34, 624711), (51, 416474), (53, 400758), (102, 208237), (106, 200379), (159, 133586), (318, 66793), (901, 23574), (1802, 11787), (2703, 7858), (3929, 5406)]