21986593720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1061}}^1\times {\mathrm{5693}}^1$

素因数の和:6785

約数の個数: 128

約数和(自身を含む): 60954042240

約数和(自身を除く): 38967448520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1061, 1820, 2122, 3640, 4244, 5305, 5693, 7427, 8488, 10610, 11386, 13793, 14854, 21220, 22772, 27586, 28465, 29708, 37135, 39851, 42440, 45544, 55172, 56930, 59416, 68965, 74009, 74270, 79702, 96551, 110344, 113860, 137930, 148018, 148540, 159404, 193102, 199255, 227720, 275860, 296036, 297080, 318808, 370045, 386204, 398510, 482755, 518063, 551720, 592072, 740090, 772408, 797020, 965510, 1036126, 1480180, 1594040, 1931020, 2072252, 2590315, 2960360, 3862040, 4144504, 5180630, 6040273, 10361260, 12080546, 20722520, 24161092, 30201365, 42281911, 48322184, 60402730, 78523549, 84563822, 120805460, 157047098, 169127644, 211409555, 241610920, 314094196, 338255288, 392617745, 422819110, 549664843, 628188392, 785235490, 845638220, 1099329686, 1570470980, 1691276440, 2198659372, 2748324215, 3140941960, 4397318744, 5496648430, 10993296860, 21986593720]

約数ペア:

[(1, 21986593720), (2, 10993296860), (4, 5496648430), (5, 4397318744), (7, 3140941960), (8, 2748324215), (10, 2198659372), (13, 1691276440), (14, 1570470980), (20, 1099329686), (26, 845638220), (28, 785235490), (35, 628188392), (40, 549664843), (52, 422819110), (56, 392617745), (65, 338255288), (70, 314094196), (91, 241610920), (104, 211409555), (130, 169127644), (140, 157047098), (182, 120805460), (260, 84563822), (280, 78523549), (364, 60402730), (455, 48322184), (520, 42281911), (728, 30201365), (910, 24161092), (1061, 20722520), (1820, 12080546), (2122, 10361260), (3640, 6040273), (4244, 5180630), (5305, 4144504), (5693, 3862040), (7427, 2960360), (8488, 2590315), (10610, 2072252), (11386, 1931020), (13793, 1594040), (14854, 1480180), (21220, 1036126), (22772, 965510), (27586, 797020), (28465, 772408), (29708, 740090), (37135, 592072), (39851, 551720), (42440, 518063), (45544, 482755), (55172, 398510), (56930, 386204), (59416, 370045), (68965, 318808), (74009, 297080), (74270, 296036), (79702, 275860), (96551, 227720), (110344, 199255), (113860, 193102), (137930, 159404), (148018, 148540)]