21347484

素因数分解:

$2^2\times 3^1\times {\mathrm{397}}^1\times {\mathrm{4481}}^1$

素因数の和:4885

約数の個数: 24

約数和(自身を含む): 49947408

約数和(自身を除く): 28599924

約数列:

[1, 2, 3, 4, 6, 12, 397, 794, 1191, 1588, 2382, 4481, 4764, 8962, 13443, 17924, 26886, 53772, 1778957, 3557914, 5336871, 7115828, 10673742, 21347484]

約数ペア:

[(1, 21347484), (2, 10673742), (3, 7115828), (4, 5336871), (6, 3557914), (12, 1778957), (397, 53772), (794, 26886), (1191, 17924), (1588, 13443), (2382, 8962), (4481, 4764)]