21311324163

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{21991}}^1$

素因数の和:22152

約数の個数: 48

約数和(自身を含む): 32935219200

約数和(自身を除く): 11623895037

約数列:

[1, 3, 9, 29, 47, 79, 87, 141, 237, 261, 423, 711, 1363, 2291, 3713, 4089, 6873, 11139, 12267, 20619, 21991, 33417, 65973, 107677, 197919, 323031, 637739, 969093, 1033577, 1737289, 1913217, 3100731, 5211867, 5739651, 9302193, 15635601, 29973733, 50381381, 81652583, 89921199, 151144143, 244957749, 269763597, 453432429, 734873247, 2367924907, 7103774721, 21311324163]

約数ペア:

[(1, 21311324163), (3, 7103774721), (9, 2367924907), (29, 734873247), (47, 453432429), (79, 269763597), (87, 244957749), (141, 151144143), (237, 89921199), (261, 81652583), (423, 50381381), (711, 29973733), (1363, 15635601), (2291, 9302193), (3713, 5739651), (4089, 5211867), (6873, 3100731), (11139, 1913217), (12267, 1737289), (20619, 1033577), (21991, 969093), (33417, 637739), (65973, 323031), (107677, 197919)]