21138832

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9239}}^1$

素因数の和:9271

約数の個数: 40

約数和(自身を含む): 48121920

約数和(自身を除く): 26983088

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 9239, 18478, 36956, 73912, 101629, 120107, 147824, 203258, 240214, 406516, 480428, 813032, 960856, 1321177, 1626064, 1921712, 2642354, 5284708, 10569416, 21138832]

約数ペア:

[(1, 21138832), (2, 10569416), (4, 5284708), (8, 2642354), (11, 1921712), (13, 1626064), (16, 1321177), (22, 960856), (26, 813032), (44, 480428), (52, 406516), (88, 240214), (104, 203258), (143, 147824), (176, 120107), (208, 101629), (286, 73912), (572, 36956), (1144, 18478), (2288, 9239)]