21090213872

素因数分解:

$2^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17389}}^1$

素因数の和:17448

約数の個数: 160

約数和(自身を含む): 54340272000

約数和(自身を除く): 33250058128

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 49, 52, 56, 68, 91, 98, 104, 112, 119, 136, 182, 196, 208, 221, 238, 272, 343, 364, 392, 442, 476, 637, 686, 728, 784, 833, 884, 952, 1274, 1372, 1456, 1547, 1666, 1768, 1904, 2548, 2744, 3094, 3332, 3536, 4459, 5096, 5488, 5831, 6188, 6664, 8918, 10192, 10829, 11662, 12376, 13328, 17389, 17836, 21658, 23324, 24752, 34778, 35672, 43316, 46648, 69556, 71344, 75803, 86632, 93296, 121723, 139112, 151606, 173264, 226057, 243446, 278224, 295613, 303212, 452114, 486892, 591226, 606424, 852061, 904228, 973784, 1182452, 1212848, 1582399, 1704122, 1808456, 1947568, 2069291, 2364904, 3164798, 3408244, 3616912, 3842969, 4138582, 4729808, 5964427, 6329596, 6816488, 7685938, 8277164, 11076793, 11928854, 12659192, 13632976, 14485037, 15371876, 16554328, 22153586, 23857708, 25318384, 26900783, 28970074, 30743752, 33108656, 44307172, 47715416, 53801566, 57940148, 61487504, 77537551, 88614344, 95430832, 101395259, 107603132, 115880296, 155075102, 177228688, 188305481, 202790518, 215206264, 231760592, 310150204, 376610962, 405581036, 430412528, 620300408, 753221924, 811162072, 1240600816, 1318138367, 1506443848, 1622324144, 2636276734, 3012887696, 5272553468, 10545106936, 21090213872]

約数ペア:

[(1, 21090213872), (2, 10545106936), (4, 5272553468), (7, 3012887696), (8, 2636276734), (13, 1622324144), (14, 1506443848), (16, 1318138367), (17, 1240600816), (26, 811162072), (28, 753221924), (34, 620300408), (49, 430412528), (52, 405581036), (56, 376610962), (68, 310150204), (91, 231760592), (98, 215206264), (104, 202790518), (112, 188305481), (119, 177228688), (136, 155075102), (182, 115880296), (196, 107603132), (208, 101395259), (221, 95430832), (238, 88614344), (272, 77537551), (343, 61487504), (364, 57940148), (392, 53801566), (442, 47715416), (476, 44307172), (637, 33108656), (686, 30743752), (728, 28970074), (784, 26900783), (833, 25318384), (884, 23857708), (952, 22153586), (1274, 16554328), (1372, 15371876), (1456, 14485037), (1547, 13632976), (1666, 12659192), (1768, 11928854), (1904, 11076793), (2548, 8277164), (2744, 7685938), (3094, 6816488), (3332, 6329596), (3536, 5964427), (4459, 4729808), (5096, 4138582), (5488, 3842969), (5831, 3616912), (6188, 3408244), (6664, 3164798), (8918, 2364904), (10192, 2069291), (10829, 1947568), (11662, 1808456), (12376, 1704122), (13328, 1582399), (17389, 1212848), (17836, 1182452), (21658, 973784), (23324, 904228), (24752, 852061), (34778, 606424), (35672, 591226), (43316, 486892), (46648, 452114), (69556, 303212), (71344, 295613), (75803, 278224), (86632, 243446), (93296, 226057), (121723, 173264), (139112, 151606)]