21940644

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{463}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 56125440

約数和(自身を除く): 34184796

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 359, 463, 718, 926, 1077, 1389, 1436, 1852, 2154, 2778, 3949, 4308, 5093, 5556, 7898, 10186, 11847, 15279, 15796, 20372, 23694, 30558, 47388, 61116, 166217, 332434, 498651, 664868, 997302, 1828387, 1994604, 3656774, 5485161, 7313548, 10970322, 21940644]

約数ペア:

[(1, 21940644), (2, 10970322), (3, 7313548), (4, 5485161), (6, 3656774), (11, 1994604), (12, 1828387), (22, 997302), (33, 664868), (44, 498651), (66, 332434), (132, 166217), (359, 61116), (463, 47388), (718, 30558), (926, 23694), (1077, 20372), (1389, 15796), (1436, 15279), (1852, 11847), (2154, 10186), (2778, 7898), (3949, 5556), (4308, 5093)]