21466038

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 28300362

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 79, 138, 158, 179, 237, 253, 358, 474, 506, 537, 759, 869, 1074, 1518, 1738, 1817, 1969, 2607, 3634, 3938, 4117, 5214, 5451, 5907, 8234, 10902, 11814, 12351, 14141, 19987, 24702, 28282, 39974, 42423, 45287, 59961, 84846, 90574, 119922, 135861, 155551, 271722, 311102, 325243, 466653, 650486, 933306, 975729, 1951458, 3577673, 7155346, 10733019, 21466038]

約数ペア:

[(1, 21466038), (2, 10733019), (3, 7155346), (6, 3577673), (11, 1951458), (22, 975729), (23, 933306), (33, 650486), (46, 466653), (66, 325243), (69, 311102), (79, 271722), (138, 155551), (158, 135861), (179, 119922), (237, 90574), (253, 84846), (358, 59961), (474, 45287), (506, 42423), (537, 39974), (759, 28282), (869, 24702), (1074, 19987), (1518, 14141), (1738, 12351), (1817, 11814), (1969, 10902), (2607, 8234), (3634, 5907), (3938, 5451), (4117, 5214)]