21076878

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{937}}^1$

素因数の和:1128

約数の個数: 32

約数和(自身を含む): 44303616

約数和(自身を除く): 23226738

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 163, 326, 489, 937, 978, 1874, 2811, 3749, 5622, 7498, 11247, 21551, 22494, 43102, 64653, 129306, 152731, 305462, 458193, 916386, 3512813, 7025626, 10538439, 21076878]

約数ペア:

[(1, 21076878), (2, 10538439), (3, 7025626), (6, 3512813), (23, 916386), (46, 458193), (69, 305462), (138, 152731), (163, 129306), (326, 64653), (489, 43102), (937, 22494), (978, 21551), (1874, 11247), (2811, 7498), (3749, 5622)]