21220924

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2999}}^1$

素因数の和:3093

約数の個数: 24

約数和(自身を含む): 39060000

約数和(自身を除く): 17839076

約数列:

[1, 2, 4, 29, 58, 61, 116, 122, 244, 1769, 2999, 3538, 5998, 7076, 11996, 86971, 173942, 182939, 347884, 365878, 731756, 5305231, 10610462, 21220924]

約数ペア:

[(1, 21220924), (2, 10610462), (4, 5305231), (29, 731756), (58, 365878), (61, 347884), (116, 182939), (122, 173942), (244, 86971), (1769, 11996), (2999, 7076), (3538, 5998)]