21137596

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7229}}^1$

素因数の和:7293

約数の個数: 24

約数和(自身を含む): 40083120

約数和(自身を除く): 18945524

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 7229, 14458, 28916, 122893, 245786, 310847, 491572, 621694, 1243388, 5284399, 10568798, 21137596]

約数ペア:

[(1, 21137596), (2, 10568798), (4, 5284399), (17, 1243388), (34, 621694), (43, 491572), (68, 310847), (86, 245786), (172, 122893), (731, 28916), (1462, 14458), (2924, 7229)]