21843654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:945

約数の個数: 64

約数和(自身を含む): 54312960

約数和(自身を除く): 32469306

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 31, 38, 42, 57, 62, 93, 114, 133, 186, 217, 266, 399, 434, 589, 651, 798, 883, 1178, 1302, 1766, 1767, 2649, 3534, 4123, 5298, 6181, 8246, 12362, 12369, 16777, 18543, 24738, 27373, 33554, 37086, 50331, 54746, 82119, 100662, 117439, 164238, 191611, 234878, 352317, 383222, 520087, 574833, 704634, 1040174, 1149666, 1560261, 3120522, 3640609, 7281218, 10921827, 21843654]

約数ペア:

[(1, 21843654), (2, 10921827), (3, 7281218), (6, 3640609), (7, 3120522), (14, 1560261), (19, 1149666), (21, 1040174), (31, 704634), (38, 574833), (42, 520087), (57, 383222), (62, 352317), (93, 234878), (114, 191611), (133, 164238), (186, 117439), (217, 100662), (266, 82119), (399, 54746), (434, 50331), (589, 37086), (651, 33554), (798, 27373), (883, 24738), (1178, 18543), (1302, 16777), (1766, 12369), (1767, 12362), (2649, 8246), (3534, 6181), (4123, 5298)]