21539632

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{3391}}^1$

素因数の和:3796

約数の個数: 20

約数和(自身を含む): 41850496

約数和(自身を除く): 20310864

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3176, 3391, 6352, 6782, 13564, 27128, 54256, 1346227, 2692454, 5384908, 10769816, 21539632]

約数ペア:

[(1, 21539632), (2, 10769816), (4, 5384908), (8, 2692454), (16, 1346227), (397, 54256), (794, 27128), (1588, 13564), (3176, 6782), (3391, 6352)]