21787248

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1063}}^1$

素因数の和:1142

約数の個数: 80

約数和(自身を含む): 65440256

約数和(自身を除く): 43653008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 61, 84, 112, 122, 168, 183, 244, 336, 366, 427, 488, 732, 854, 976, 1063, 1281, 1464, 1708, 2126, 2562, 2928, 3189, 3416, 4252, 5124, 6378, 6832, 7441, 8504, 10248, 12756, 14882, 17008, 20496, 22323, 25512, 29764, 44646, 51024, 59528, 64843, 89292, 119056, 129686, 178584, 194529, 259372, 357168, 389058, 453901, 518744, 778116, 907802, 1037488, 1361703, 1556232, 1815604, 2723406, 3112464, 3631208, 5446812, 7262416, 10893624, 21787248]

約数ペア:

[(1, 21787248), (2, 10893624), (3, 7262416), (4, 5446812), (6, 3631208), (7, 3112464), (8, 2723406), (12, 1815604), (14, 1556232), (16, 1361703), (21, 1037488), (24, 907802), (28, 778116), (42, 518744), (48, 453901), (56, 389058), (61, 357168), (84, 259372), (112, 194529), (122, 178584), (168, 129686), (183, 119056), (244, 89292), (336, 64843), (366, 59528), (427, 51024), (488, 44646), (732, 29764), (854, 25512), (976, 22323), (1063, 20496), (1281, 17008), (1464, 14882), (1708, 12756), (2126, 10248), (2562, 8504), (2928, 7441), (3189, 6832), (3416, 6378), (4252, 5124)]