21011144

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1483}}^1$

素因数の和:1530

約数の個数: 64

約数和(自身を含む): 51287040

約数和(自身を除く): 30275896

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 56, 77, 88, 92, 154, 161, 184, 253, 308, 322, 506, 616, 644, 1012, 1288, 1483, 1771, 2024, 2966, 3542, 5932, 7084, 10381, 11864, 14168, 16313, 20762, 32626, 34109, 41524, 65252, 68218, 83048, 114191, 130504, 136436, 228382, 238763, 272872, 375199, 456764, 477526, 750398, 913528, 955052, 1500796, 1910104, 2626393, 3001592, 5252786, 10505572, 21011144]

約数ペア:

[(1, 21011144), (2, 10505572), (4, 5252786), (7, 3001592), (8, 2626393), (11, 1910104), (14, 1500796), (22, 955052), (23, 913528), (28, 750398), (44, 477526), (46, 456764), (56, 375199), (77, 272872), (88, 238763), (92, 228382), (154, 136436), (161, 130504), (184, 114191), (253, 83048), (308, 68218), (322, 65252), (506, 41524), (616, 34109), (644, 32626), (1012, 20762), (1288, 16313), (1483, 14168), (1771, 11864), (2024, 10381), (2966, 7084), (3542, 5932)]