21270576

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:394

約数の個数: 80

約数和(自身を含む): 58746240

約数和(自身を除く): 37475664

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 83, 114, 152, 166, 228, 249, 281, 304, 332, 456, 498, 562, 664, 843, 912, 996, 1124, 1328, 1577, 1686, 1992, 2248, 3154, 3372, 3984, 4496, 4731, 5339, 6308, 6744, 9462, 10678, 12616, 13488, 16017, 18924, 21356, 23323, 25232, 32034, 37848, 42712, 46646, 64068, 69969, 75696, 85424, 93292, 128136, 139938, 186584, 256272, 279876, 373168, 443137, 559752, 886274, 1119504, 1329411, 1772548, 2658822, 3545096, 5317644, 7090192, 10635288, 21270576]

約数ペア:

[(1, 21270576), (2, 10635288), (3, 7090192), (4, 5317644), (6, 3545096), (8, 2658822), (12, 1772548), (16, 1329411), (19, 1119504), (24, 886274), (38, 559752), (48, 443137), (57, 373168), (76, 279876), (83, 256272), (114, 186584), (152, 139938), (166, 128136), (228, 93292), (249, 85424), (281, 75696), (304, 69969), (332, 64068), (456, 46646), (498, 42712), (562, 37848), (664, 32034), (843, 25232), (912, 23323), (996, 21356), (1124, 18924), (1328, 16017), (1577, 13488), (1686, 12616), (1992, 10678), (2248, 9462), (3154, 6744), (3372, 6308), (3984, 5339), (4496, 4731)]