21712796

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8713}}^1$

素因数の和:8813

約数の個数: 24

約数和(自身を含む): 43918560

約数和(自身を除く): 22205764

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 8713, 17426, 34852, 60991, 121982, 243964, 775457, 1550914, 3101828, 5428199, 10856398, 21712796]

約数ペア:

[(1, 21712796), (2, 10856398), (4, 5428199), (7, 3101828), (14, 1550914), (28, 775457), (89, 243964), (178, 121982), (356, 60991), (623, 34852), (1246, 17426), (2492, 8713)]