21263242

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 96

約数和(自身を含む): 46379520

約数和(自身を除く): 25116278

約数列:

[1, 2, 7, 11, 13, 14, 19, 22, 26, 38, 43, 77, 86, 91, 133, 143, 154, 169, 182, 209, 247, 266, 286, 301, 338, 418, 473, 494, 559, 602, 817, 946, 1001, 1118, 1183, 1463, 1634, 1729, 1859, 2002, 2366, 2717, 2926, 3211, 3311, 3458, 3718, 3913, 5434, 5719, 6149, 6422, 6622, 7267, 7826, 8987, 10621, 11438, 12298, 13013, 14534, 17974, 19019, 21242, 22477, 26026, 35321, 38038, 43043, 44954, 50869, 62909, 70642, 74347, 79937, 86086, 101738, 116831, 125818, 138073, 148694, 159874, 233662, 247247, 276146, 494494, 559559, 817817, 966511, 1119118, 1518803, 1635634, 1933022, 3037606, 10631621, 21263242]

約数ペア:

[(1, 21263242), (2, 10631621), (7, 3037606), (11, 1933022), (13, 1635634), (14, 1518803), (19, 1119118), (22, 966511), (26, 817817), (38, 559559), (43, 494494), (77, 276146), (86, 247247), (91, 233662), (133, 159874), (143, 148694), (154, 138073), (169, 125818), (182, 116831), (209, 101738), (247, 86086), (266, 79937), (286, 74347), (301, 70642), (338, 62909), (418, 50869), (473, 44954), (494, 43043), (559, 38038), (602, 35321), (817, 26026), (946, 22477), (1001, 21242), (1118, 19019), (1183, 17974), (1463, 14534), (1634, 13013), (1729, 12298), (1859, 11438), (2002, 10621), (2366, 8987), (2717, 7826), (2926, 7267), (3211, 6622), (3311, 6422), (3458, 6149), (3718, 5719), (3913, 5434)]