21740292

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:362

約数の個数: 96

約数和(自身を含む): 65184000

約数和(自身を除く): 43443708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 149, 189, 193, 252, 298, 378, 386, 447, 579, 596, 756, 772, 894, 1043, 1158, 1341, 1351, 1737, 1788, 2086, 2316, 2682, 2702, 3129, 3474, 4023, 4053, 4172, 5211, 5364, 5404, 6258, 6948, 8046, 8106, 9387, 10422, 12159, 12516, 16092, 16212, 18774, 20844, 24318, 28161, 28757, 36477, 37548, 48636, 56322, 57514, 72954, 86271, 112644, 115028, 145908, 172542, 201299, 258813, 345084, 402598, 517626, 603897, 776439, 805196, 1035252, 1207794, 1552878, 1811691, 2415588, 3105756, 3623382, 5435073, 7246764, 10870146, 21740292]

約数ペア:

[(1, 21740292), (2, 10870146), (3, 7246764), (4, 5435073), (6, 3623382), (7, 3105756), (9, 2415588), (12, 1811691), (14, 1552878), (18, 1207794), (21, 1035252), (27, 805196), (28, 776439), (36, 603897), (42, 517626), (54, 402598), (63, 345084), (84, 258813), (108, 201299), (126, 172542), (149, 145908), (189, 115028), (193, 112644), (252, 86271), (298, 72954), (378, 57514), (386, 56322), (447, 48636), (579, 37548), (596, 36477), (756, 28757), (772, 28161), (894, 24318), (1043, 20844), (1158, 18774), (1341, 16212), (1351, 16092), (1737, 12516), (1788, 12159), (2086, 10422), (2316, 9387), (2682, 8106), (2702, 8046), (3129, 6948), (3474, 6258), (4023, 5404), (4053, 5364), (4172, 5211)]