21553086906

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{277}}^1\times {\mathrm{409}}^1$

素因数の和:981

約数の個数: 128

約数和(自身を含む): 52084300800

約数和(自身を除く): 30531213894

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 271, 277, 351, 409, 542, 554, 702, 813, 818, 831, 1227, 1626, 1662, 2439, 2454, 2493, 3523, 3601, 3681, 4878, 4986, 5317, 7046, 7202, 7317, 7362, 7479, 10569, 10634, 10803, 11043, 14634, 14958, 15951, 21138, 21606, 22086, 31707, 31902, 32409, 47853, 63414, 64818, 75067, 95121, 95706, 97227, 110839, 113293, 143559, 150134, 190242, 194454, 221678, 225201, 226586, 287118, 332517, 339879, 450402, 665034, 675603, 679758, 975871, 997551, 1019637, 1351206, 1440907, 1472809, 1951742, 1995102, 2026809, 2039274, 2881814, 2927613, 2945618, 2992653, 3058911, 4053618, 4322721, 4418427, 5855226, 5985306, 6117822, 8645442, 8782839, 8836854, 12968163, 13255281, 17565678, 25936326, 26348517, 26510562, 30702403, 38904489, 39765843, 52697034, 61404806, 77808978, 79531686, 92107209, 184214418, 276321627, 399131239, 552643254, 798262478, 828964881, 1197393717, 1657929762, 2394787434, 3592181151, 7184362302, 10776543453, 21553086906]

約数ペア:

[(1, 21553086906), (2, 10776543453), (3, 7184362302), (6, 3592181151), (9, 2394787434), (13, 1657929762), (18, 1197393717), (26, 828964881), (27, 798262478), (39, 552643254), (54, 399131239), (78, 276321627), (117, 184214418), (234, 92107209), (271, 79531686), (277, 77808978), (351, 61404806), (409, 52697034), (542, 39765843), (554, 38904489), (702, 30702403), (813, 26510562), (818, 26348517), (831, 25936326), (1227, 17565678), (1626, 13255281), (1662, 12968163), (2439, 8836854), (2454, 8782839), (2493, 8645442), (3523, 6117822), (3601, 5985306), (3681, 5855226), (4878, 4418427), (4986, 4322721), (5317, 4053618), (7046, 3058911), (7202, 2992653), (7317, 2945618), (7362, 2927613), (7479, 2881814), (10569, 2039274), (10634, 2026809), (10803, 1995102), (11043, 1951742), (14634, 1472809), (14958, 1440907), (15951, 1351206), (21138, 1019637), (21606, 997551), (22086, 975871), (31707, 679758), (31902, 675603), (32409, 665034), (47853, 450402), (63414, 339879), (64818, 332517), (75067, 287118), (95121, 226586), (95706, 225201), (97227, 221678), (110839, 194454), (113293, 190242), (143559, 150134)]