21270291532

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{17921}}^1$

素因数の和:18071

約数の個数: 96

約数和(自身を含む): 47210849280

約数和(自身を除く): 25940557748

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 76, 92, 97, 133, 161, 194, 266, 322, 388, 437, 532, 644, 679, 874, 1358, 1748, 1843, 2231, 2716, 3059, 3686, 4462, 6118, 7372, 8924, 12236, 12901, 15617, 17921, 25802, 31234, 35842, 42389, 51604, 62468, 71684, 84778, 125447, 169556, 250894, 296723, 340499, 412183, 501788, 593446, 680998, 824366, 1186892, 1361996, 1648732, 1738337, 2383493, 2885281, 3476674, 4766986, 5770562, 6953348, 7831477, 9533972, 11541124, 12168359, 15662954, 24336718, 31325908, 33028403, 39981751, 48673436, 54820339, 66056806, 79963502, 109640678, 132113612, 159927004, 219281356, 231198821, 279872257, 462397642, 559744514, 759653269, 924795284, 1119489028, 1519306538, 3038613076, 5317572883, 10635145766, 21270291532]

約数ペア:

[(1, 21270291532), (2, 10635145766), (4, 5317572883), (7, 3038613076), (14, 1519306538), (19, 1119489028), (23, 924795284), (28, 759653269), (38, 559744514), (46, 462397642), (76, 279872257), (92, 231198821), (97, 219281356), (133, 159927004), (161, 132113612), (194, 109640678), (266, 79963502), (322, 66056806), (388, 54820339), (437, 48673436), (532, 39981751), (644, 33028403), (679, 31325908), (874, 24336718), (1358, 15662954), (1748, 12168359), (1843, 11541124), (2231, 9533972), (2716, 7831477), (3059, 6953348), (3686, 5770562), (4462, 4766986), (6118, 3476674), (7372, 2885281), (8924, 2383493), (12236, 1738337), (12901, 1648732), (15617, 1361996), (17921, 1186892), (25802, 824366), (31234, 680998), (35842, 593446), (42389, 501788), (51604, 412183), (62468, 340499), (71684, 296723), (84778, 250894), (125447, 169556)]