21164384

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{12479}}^1$

素因数の和:12542

約数の個数: 24

約数和(自身を含む): 42456960

約数和(自身を除く): 21292576

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 12479, 24958, 49916, 99832, 199664, 399328, 661387, 1322774, 2645548, 5291096, 10582192, 21164384]

約数ペア:

[(1, 21164384), (2, 10582192), (4, 5291096), (8, 2645548), (16, 1322774), (32, 661387), (53, 399328), (106, 199664), (212, 99832), (424, 49916), (848, 24958), (1696, 12479)]