21669424

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 53568000

約数和(自身を除く): 31898576

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 34, 38, 56, 68, 76, 112, 119, 133, 136, 152, 238, 266, 272, 304, 323, 476, 532, 599, 646, 952, 1064, 1198, 1292, 1904, 2128, 2261, 2396, 2584, 4193, 4522, 4792, 5168, 8386, 9044, 9584, 10183, 11381, 16772, 18088, 20366, 22762, 33544, 36176, 40732, 45524, 67088, 71281, 79667, 81464, 91048, 142562, 159334, 162928, 182096, 193477, 285124, 318668, 386954, 570248, 637336, 773908, 1140496, 1274672, 1354339, 1547816, 2708678, 3095632, 5417356, 10834712, 21669424]

約数ペア:

[(1, 21669424), (2, 10834712), (4, 5417356), (7, 3095632), (8, 2708678), (14, 1547816), (16, 1354339), (17, 1274672), (19, 1140496), (28, 773908), (34, 637336), (38, 570248), (56, 386954), (68, 318668), (76, 285124), (112, 193477), (119, 182096), (133, 162928), (136, 159334), (152, 142562), (238, 91048), (266, 81464), (272, 79667), (304, 71281), (323, 67088), (476, 45524), (532, 40732), (599, 36176), (646, 33544), (952, 22762), (1064, 20366), (1198, 18088), (1292, 16772), (1904, 11381), (2128, 10183), (2261, 9584), (2396, 9044), (2584, 8386), (4193, 5168), (4522, 4792)]