21220584

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11483}}^1$

素因数の和:11510

約数の個数: 64

約数和(自身を含む): 66147840

約数和(自身を除く): 44927256

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 11483, 22966, 34449, 45932, 68898, 80381, 91864, 126313, 137796, 160762, 241143, 252626, 275592, 321524, 378939, 482286, 505252, 643048, 757878, 884191, 964572, 1010504, 1515756, 1768382, 1929144, 2652573, 3031512, 3536764, 5305146, 7073528, 10610292, 21220584]

約数ペア:

[(1, 21220584), (2, 10610292), (3, 7073528), (4, 5305146), (6, 3536764), (7, 3031512), (8, 2652573), (11, 1929144), (12, 1768382), (14, 1515756), (21, 1010504), (22, 964572), (24, 884191), (28, 757878), (33, 643048), (42, 505252), (44, 482286), (56, 378939), (66, 321524), (77, 275592), (84, 252626), (88, 241143), (132, 160762), (154, 137796), (168, 126313), (231, 91864), (264, 80381), (308, 68898), (462, 45932), (616, 34449), (924, 22966), (1848, 11483)]