21893036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2749}}^1$

素因数の和:2945

約数の個数: 24

約数和(自身を含む): 42042000

約数和(自身を除く): 20148964

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 2749, 3982, 5498, 7964, 10996, 30239, 60478, 120956, 497569, 995138, 1990276, 5473259, 10946518, 21893036]

約数ペア:

[(1, 21893036), (2, 10946518), (4, 5473259), (11, 1990276), (22, 995138), (44, 497569), (181, 120956), (362, 60478), (724, 30239), (1991, 10996), (2749, 7964), (3982, 5498)]