21127173678

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{4813}}^1$

素因数の和:4900

約数の個数: 128

約数和(自身を含む): 52245379200

約数和(自身を除く): 31118205522

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 37, 39, 54, 74, 78, 111, 117, 169, 222, 234, 333, 338, 351, 481, 507, 666, 702, 962, 999, 1014, 1443, 1521, 1998, 2197, 2886, 3042, 4329, 4394, 4563, 4813, 6253, 6591, 8658, 9126, 9626, 12506, 12987, 13182, 14439, 18759, 19773, 25974, 28878, 37518, 39546, 43317, 56277, 59319, 62569, 81289, 86634, 112554, 118638, 125138, 129951, 162578, 168831, 178081, 187707, 243867, 259902, 337662, 356162, 375414, 487734, 534243, 563121, 731601, 813397, 1068486, 1126242, 1463202, 1602729, 1626794, 1689363, 2194803, 2315053, 2440191, 3205458, 3378726, 4389606, 4630106, 4808187, 4880382, 6945159, 7320573, 9616374, 10574161, 13890318, 14641146, 20835477, 21148322, 21961719, 30095689, 31722483, 41670954, 43923438, 60191378, 62506431, 63444966, 90287067, 95167449, 125012862, 180574134, 190334898, 270861201, 285502347, 391243957, 541722402, 571004694, 782487914, 812583603, 1173731871, 1625167206, 2347463742, 3521195613, 7042391226, 10563586839, 21127173678]

約数ペア:

[(1, 21127173678), (2, 10563586839), (3, 7042391226), (6, 3521195613), (9, 2347463742), (13, 1625167206), (18, 1173731871), (26, 812583603), (27, 782487914), (37, 571004694), (39, 541722402), (54, 391243957), (74, 285502347), (78, 270861201), (111, 190334898), (117, 180574134), (169, 125012862), (222, 95167449), (234, 90287067), (333, 63444966), (338, 62506431), (351, 60191378), (481, 43923438), (507, 41670954), (666, 31722483), (702, 30095689), (962, 21961719), (999, 21148322), (1014, 20835477), (1443, 14641146), (1521, 13890318), (1998, 10574161), (2197, 9616374), (2886, 7320573), (3042, 6945159), (4329, 4880382), (4394, 4808187), (4563, 4630106), (4813, 4389606), (6253, 3378726), (6591, 3205458), (8658, 2440191), (9126, 2315053), (9626, 2194803), (12506, 1689363), (12987, 1626794), (13182, 1602729), (14439, 1463202), (18759, 1126242), (19773, 1068486), (25974, 813397), (28878, 731601), (37518, 563121), (39546, 534243), (43317, 487734), (56277, 375414), (59319, 356162), (62569, 337662), (81289, 259902), (86634, 243867), (112554, 187707), (118638, 178081), (125138, 168831), (129951, 162578)]