21027072

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 64753920

約数和(自身を除く): 43726848

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 32, 33, 38, 44, 48, 57, 64, 66, 76, 88, 96, 114, 128, 131, 132, 152, 176, 192, 209, 228, 256, 262, 264, 304, 352, 384, 393, 418, 456, 524, 528, 608, 627, 704, 768, 786, 836, 912, 1048, 1056, 1216, 1254, 1408, 1441, 1572, 1672, 1824, 2096, 2112, 2432, 2489, 2508, 2816, 2882, 3144, 3344, 3648, 4192, 4224, 4323, 4864, 4978, 5016, 5764, 6288, 6688, 7296, 7467, 8384, 8448, 8646, 9956, 10032, 11528, 12576, 13376, 14592, 14934, 16768, 17292, 19912, 20064, 23056, 25152, 26752, 27379, 29868, 33536, 34584, 39824, 40128, 46112, 50304, 53504, 54758, 59736, 69168, 79648, 80256, 82137, 92224, 100608, 109516, 119472, 138336, 159296, 160512, 164274, 184448, 219032, 238944, 276672, 318592, 328548, 368896, 438064, 477888, 553344, 637184, 657096, 876128, 955776, 1106688, 1314192, 1752256, 1911552, 2628384, 3504512, 5256768, 7009024, 10513536, 21027072]

約数ペア:

[(1, 21027072), (2, 10513536), (3, 7009024), (4, 5256768), (6, 3504512), (8, 2628384), (11, 1911552), (12, 1752256), (16, 1314192), (19, 1106688), (22, 955776), (24, 876128), (32, 657096), (33, 637184), (38, 553344), (44, 477888), (48, 438064), (57, 368896), (64, 328548), (66, 318592), (76, 276672), (88, 238944), (96, 219032), (114, 184448), (128, 164274), (131, 160512), (132, 159296), (152, 138336), (176, 119472), (192, 109516), (209, 100608), (228, 92224), (256, 82137), (262, 80256), (264, 79648), (304, 69168), (352, 59736), (384, 54758), (393, 53504), (418, 50304), (456, 46112), (524, 40128), (528, 39824), (608, 34584), (627, 33536), (704, 29868), (768, 27379), (786, 26752), (836, 25152), (912, 23056), (1048, 20064), (1056, 19912), (1216, 17292), (1254, 16768), (1408, 14934), (1441, 14592), (1572, 13376), (1672, 12576), (1824, 11528), (2096, 10032), (2112, 9956), (2432, 8646), (2489, 8448), (2508, 8384), (2816, 7467), (2882, 7296), (3144, 6688), (3344, 6288), (3648, 5764), (4192, 5016), (4224, 4978), (4323, 4864)]