21103698378

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{709}}^1\times {\mathrm{739}}^1$

素因数の和:1604

約数の個数: 96

約数和(自身を含む): 49593556800

約数和(自身を除く): 28489858422

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 137, 147, 274, 294, 411, 709, 739, 822, 959, 1418, 1478, 1918, 2127, 2217, 2877, 4254, 4434, 4963, 5173, 5754, 6713, 9926, 10346, 13426, 14889, 15519, 20139, 29778, 31038, 34741, 36211, 40278, 69482, 72422, 97133, 101243, 104223, 108633, 194266, 202486, 208446, 217266, 291399, 303729, 523951, 582798, 607458, 679931, 708701, 1047902, 1359862, 1417402, 1571853, 2039793, 2126103, 3143706, 3667657, 4079586, 4252206, 4759517, 4960907, 7335314, 9519034, 9921814, 11002971, 14278551, 14882721, 22005942, 25673599, 28557102, 29765442, 51347198, 71781287, 77020797, 143562574, 154041594, 215343861, 430687722, 502469009, 1004938018, 1507407027, 3014814054, 3517283063, 7034566126, 10551849189, 21103698378]

約数ペア:

[(1, 21103698378), (2, 10551849189), (3, 7034566126), (6, 3517283063), (7, 3014814054), (14, 1507407027), (21, 1004938018), (42, 502469009), (49, 430687722), (98, 215343861), (137, 154041594), (147, 143562574), (274, 77020797), (294, 71781287), (411, 51347198), (709, 29765442), (739, 28557102), (822, 25673599), (959, 22005942), (1418, 14882721), (1478, 14278551), (1918, 11002971), (2127, 9921814), (2217, 9519034), (2877, 7335314), (4254, 4960907), (4434, 4759517), (4963, 4252206), (5173, 4079586), (5754, 3667657), (6713, 3143706), (9926, 2126103), (10346, 2039793), (13426, 1571853), (14889, 1417402), (15519, 1359862), (20139, 1047902), (29778, 708701), (31038, 679931), (34741, 607458), (36211, 582798), (40278, 523951), (69482, 303729), (72422, 291399), (97133, 217266), (101243, 208446), (104223, 202486), (108633, 194266)]