21504924

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:264

約数の個数: 108

約数和(自身を含む): 64484784

約数和(自身を除く): 42979860

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 73, 84, 98, 126, 146, 147, 167, 196, 219, 252, 292, 294, 334, 438, 441, 501, 511, 588, 657, 668, 876, 882, 1002, 1022, 1169, 1314, 1503, 1533, 1764, 2004, 2044, 2338, 2628, 3006, 3066, 3507, 3577, 4599, 4676, 6012, 6132, 7014, 7154, 8183, 9198, 10521, 10731, 12191, 14028, 14308, 16366, 18396, 21042, 21462, 24382, 24549, 32193, 32732, 36573, 42084, 42924, 48764, 49098, 64386, 73146, 73647, 85337, 98196, 109719, 128772, 146292, 147294, 170674, 219438, 256011, 294588, 341348, 438876, 512022, 597359, 768033, 1024044, 1194718, 1536066, 1792077, 2389436, 3072132, 3584154, 5376231, 7168308, 10752462, 21504924]

約数ペア:

[(1, 21504924), (2, 10752462), (3, 7168308), (4, 5376231), (6, 3584154), (7, 3072132), (9, 2389436), (12, 1792077), (14, 1536066), (18, 1194718), (21, 1024044), (28, 768033), (36, 597359), (42, 512022), (49, 438876), (63, 341348), (73, 294588), (84, 256011), (98, 219438), (126, 170674), (146, 147294), (147, 146292), (167, 128772), (196, 109719), (219, 98196), (252, 85337), (292, 73647), (294, 73146), (334, 64386), (438, 49098), (441, 48764), (501, 42924), (511, 42084), (588, 36573), (657, 32732), (668, 32193), (876, 24549), (882, 24382), (1002, 21462), (1022, 21042), (1169, 18396), (1314, 16366), (1503, 14308), (1533, 14028), (1764, 12191), (2004, 10731), (2044, 10521), (2338, 9198), (2628, 8183), (3006, 7154), (3066, 7014), (3507, 6132), (3577, 6012), (4599, 4676)]