21448476

素因数分解:

$2^2\times 3^4\times 7^3\times {\mathrm{193}}^1$

素因数の和:230

約数の個数: 120

約数和(自身を含む): 65727200

約数和(自身を除く): 44278724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 193, 196, 252, 294, 324, 343, 378, 386, 441, 567, 579, 588, 686, 756, 772, 882, 1029, 1134, 1158, 1323, 1351, 1372, 1737, 1764, 2058, 2268, 2316, 2646, 2702, 3087, 3474, 3969, 4053, 4116, 5211, 5292, 5404, 6174, 6948, 7938, 8106, 9261, 9457, 10422, 12159, 12348, 15633, 15876, 16212, 18522, 18914, 20844, 24318, 27783, 28371, 31266, 36477, 37044, 37828, 48636, 55566, 56742, 62532, 66199, 72954, 85113, 109431, 111132, 113484, 132398, 145908, 170226, 198597, 218862, 255339, 264796, 340452, 397194, 437724, 510678, 595791, 766017, 794388, 1021356, 1191582, 1532034, 1787373, 2383164, 3064068, 3574746, 5362119, 7149492, 10724238, 21448476]

約数ペア:

[(1, 21448476), (2, 10724238), (3, 7149492), (4, 5362119), (6, 3574746), (7, 3064068), (9, 2383164), (12, 1787373), (14, 1532034), (18, 1191582), (21, 1021356), (27, 794388), (28, 766017), (36, 595791), (42, 510678), (49, 437724), (54, 397194), (63, 340452), (81, 264796), (84, 255339), (98, 218862), (108, 198597), (126, 170226), (147, 145908), (162, 132398), (189, 113484), (193, 111132), (196, 109431), (252, 85113), (294, 72954), (324, 66199), (343, 62532), (378, 56742), (386, 55566), (441, 48636), (567, 37828), (579, 37044), (588, 36477), (686, 31266), (756, 28371), (772, 27783), (882, 24318), (1029, 20844), (1134, 18914), (1158, 18522), (1323, 16212), (1351, 15876), (1372, 15633), (1737, 12348), (1764, 12159), (2058, 10422), (2268, 9457), (2316, 9261), (2646, 8106), (2702, 7938), (3087, 6948), (3474, 6174), (3969, 5404), (4053, 5292), (4116, 5211)]