21511319004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1\times {\mathrm{1433}}^1$

素因数の和:2360

約数の個数: 144

約数和(自身を含む): 63138216960

約数和(自身を除く): 41626897956

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 213, 252, 284, 426, 497, 639, 839, 852, 994, 1278, 1433, 1491, 1678, 1988, 2517, 2556, 2866, 2982, 3356, 4299, 4473, 5034, 5732, 5873, 5964, 7551, 8598, 8946, 10031, 10068, 11746, 12897, 15102, 17196, 17619, 17892, 20062, 23492, 25794, 30093, 30204, 35238, 40124, 51588, 52857, 59569, 60186, 70476, 90279, 101743, 105714, 119138, 120372, 178707, 180558, 203486, 211428, 238276, 305229, 357414, 361116, 406972, 416983, 536121, 610458, 712201, 714828, 833966, 915687, 1072242, 1202287, 1220916, 1250949, 1424402, 1667932, 1831374, 2136603, 2144484, 2404574, 2501898, 2848804, 3606861, 3662748, 3752847, 4273206, 4809148, 5003796, 6409809, 7213722, 7505694, 8416009, 8546412, 10820583, 12819618, 14427444, 15011388, 16832018, 21641166, 25248027, 25639236, 33664036, 43282332, 50496054, 75744081, 85362377, 100992108, 151488162, 170724754, 256087131, 302976324, 341449508, 512174262, 597536639, 768261393, 1024348524, 1195073278, 1536522786, 1792609917, 2390146556, 3073045572, 3585219834, 5377829751, 7170439668, 10755659502, 21511319004]

約数ペア:

[(1, 21511319004), (2, 10755659502), (3, 7170439668), (4, 5377829751), (6, 3585219834), (7, 3073045572), (9, 2390146556), (12, 1792609917), (14, 1536522786), (18, 1195073278), (21, 1024348524), (28, 768261393), (36, 597536639), (42, 512174262), (63, 341449508), (71, 302976324), (84, 256087131), (126, 170724754), (142, 151488162), (213, 100992108), (252, 85362377), (284, 75744081), (426, 50496054), (497, 43282332), (639, 33664036), (839, 25639236), (852, 25248027), (994, 21641166), (1278, 16832018), (1433, 15011388), (1491, 14427444), (1678, 12819618), (1988, 10820583), (2517, 8546412), (2556, 8416009), (2866, 7505694), (2982, 7213722), (3356, 6409809), (4299, 5003796), (4473, 4809148), (5034, 4273206), (5732, 3752847), (5873, 3662748), (5964, 3606861), (7551, 2848804), (8598, 2501898), (8946, 2404574), (10031, 2144484), (10068, 2136603), (11746, 1831374), (12897, 1667932), (15102, 1424402), (17196, 1250949), (17619, 1220916), (17892, 1202287), (20062, 1072242), (23492, 915687), (25794, 833966), (30093, 714828), (30204, 712201), (35238, 610458), (40124, 536121), (51588, 416983), (52857, 406972), (59569, 361116), (60186, 357414), (70476, 305229), (90279, 238276), (101743, 211428), (105714, 203486), (119138, 180558), (120372, 178707)]