21053076

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{457}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 53860800

約数和(自身を除く): 32807724

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 349, 457, 698, 914, 1047, 1371, 1396, 1828, 2094, 2742, 3839, 4188, 5027, 5484, 7678, 10054, 11517, 15081, 15356, 20108, 23034, 30162, 46068, 60324, 159493, 318986, 478479, 637972, 956958, 1754423, 1913916, 3508846, 5263269, 7017692, 10526538, 21053076]

約数ペア:

[(1, 21053076), (2, 10526538), (3, 7017692), (4, 5263269), (6, 3508846), (11, 1913916), (12, 1754423), (22, 956958), (33, 637972), (44, 478479), (66, 318986), (132, 159493), (349, 60324), (457, 46068), (698, 30162), (914, 23034), (1047, 20108), (1371, 15356), (1396, 15081), (1828, 11517), (2094, 10054), (2742, 7678), (3839, 5484), (4188, 5027)]