21483484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{488261}}^1$

素因数の和:488276

約数の個数: 12

約数和(自身を含む): 41014008

約数和(自身を除く): 19530524

約数列:

[1, 2, 4, 11, 22, 44, 488261, 976522, 1953044, 5370871, 10741742, 21483484]

約数ペア:

[(1, 21483484), (2, 10741742), (4, 5370871), (11, 1953044), (22, 976522), (44, 488261)]