21473552

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{5347}}^1$

素因数の和:5606

約数の個数: 20

約数和(自身を含む): 41778576

約数和(自身を除く): 20305024

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 5347, 10694, 21388, 42776, 85552, 1342097, 2684194, 5368388, 10736776, 21473552]

約数ペア:

[(1, 21473552), (2, 10736776), (4, 5368388), (8, 2684194), (16, 1342097), (251, 85552), (502, 42776), (1004, 21388), (2008, 10694), (4016, 5347)]