21418188

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{769}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 54848640

約数和(自身を除く): 33430452

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 211, 422, 633, 769, 844, 1266, 1538, 2307, 2321, 2532, 3076, 4614, 4642, 6963, 8459, 9228, 9284, 13926, 16918, 25377, 27852, 33836, 50754, 101508, 162259, 324518, 486777, 649036, 973554, 1784849, 1947108, 3569698, 5354547, 7139396, 10709094, 21418188]

約数ペア:

[(1, 21418188), (2, 10709094), (3, 7139396), (4, 5354547), (6, 3569698), (11, 1947108), (12, 1784849), (22, 973554), (33, 649036), (44, 486777), (66, 324518), (132, 162259), (211, 101508), (422, 50754), (633, 33836), (769, 27852), (844, 25377), (1266, 16918), (1538, 13926), (2307, 9284), (2321, 9228), (2532, 8459), (3076, 6963), (4614, 4642)]