21468048

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{353}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 63912576

約数和(自身を除く): 42444528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 181, 336, 353, 362, 543, 706, 724, 1059, 1086, 1267, 1412, 1448, 2118, 2172, 2471, 2534, 2824, 2896, 3801, 4236, 4344, 4942, 5068, 5648, 7413, 7602, 8472, 8688, 9884, 10136, 14826, 15204, 16944, 19768, 20272, 29652, 30408, 39536, 59304, 60816, 63893, 118608, 127786, 191679, 255572, 383358, 447251, 511144, 766716, 894502, 1022288, 1341753, 1533432, 1789004, 2683506, 3066864, 3578008, 5367012, 7156016, 10734024, 21468048]

約数ペア:

[(1, 21468048), (2, 10734024), (3, 7156016), (4, 5367012), (6, 3578008), (7, 3066864), (8, 2683506), (12, 1789004), (14, 1533432), (16, 1341753), (21, 1022288), (24, 894502), (28, 766716), (42, 511144), (48, 447251), (56, 383358), (84, 255572), (112, 191679), (168, 127786), (181, 118608), (336, 63893), (353, 60816), (362, 59304), (543, 39536), (706, 30408), (724, 29652), (1059, 20272), (1086, 19768), (1267, 16944), (1412, 15204), (1448, 14826), (2118, 10136), (2172, 9884), (2471, 8688), (2534, 8472), (2824, 7602), (2896, 7413), (3801, 5648), (4236, 5068), (4344, 4942)]