21128926

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6829}}^1$

素因数の和:6868

約数の個数: 32

約数和(自身を含む): 41307840

約数和(自身を除く): 20178914

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 442, 1547, 3094, 6829, 13658, 47803, 88777, 95606, 116093, 177554, 232186, 621439, 812651, 1242878, 1509209, 1625302, 3018418, 10564463, 21128926]

約数ペア:

[(1, 21128926), (2, 10564463), (7, 3018418), (13, 1625302), (14, 1509209), (17, 1242878), (26, 812651), (34, 621439), (91, 232186), (119, 177554), (182, 116093), (221, 95606), (238, 88777), (442, 47803), (1547, 13658), (3094, 6829)]