21208348

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6949}}^1$

素因数の和:7069

約数の個数: 24

約数和(自身を含む): 42812000

約数和(自身を除く): 21603652

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 6949, 13898, 27796, 48643, 97286, 194572, 757441, 1514882, 3029764, 5302087, 10604174, 21208348]

約数ペア:

[(1, 21208348), (2, 10604174), (4, 5302087), (7, 3029764), (14, 1514882), (28, 757441), (109, 194572), (218, 97286), (436, 48643), (763, 27796), (1526, 13898), (3052, 6949)]