21876712

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1471}}^1$

素因数の和:1514

約数の個数: 48

約数和(自身を含む): 48487680

約数和(自身を除く): 26610968

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 169, 286, 338, 572, 676, 1144, 1352, 1471, 1859, 2942, 3718, 5884, 7436, 11768, 14872, 16181, 19123, 32362, 38246, 64724, 76492, 129448, 152984, 210353, 248599, 420706, 497198, 841412, 994396, 1682824, 1988792, 2734589, 5469178, 10938356, 21876712]

約数ペア:

[(1, 21876712), (2, 10938356), (4, 5469178), (8, 2734589), (11, 1988792), (13, 1682824), (22, 994396), (26, 841412), (44, 497198), (52, 420706), (88, 248599), (104, 210353), (143, 152984), (169, 129448), (286, 76492), (338, 64724), (572, 38246), (676, 32362), (1144, 19123), (1352, 16181), (1471, 14872), (1859, 11768), (2942, 7436), (3718, 5884)]