21511008

素因数分解:

$2^5\times 3^4\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:258

約数の個数: 120

約数和(自身を含む): 65069928

約数和(自身を除く): 43558920

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 72, 81, 86, 96, 108, 129, 144, 162, 172, 193, 216, 258, 288, 324, 344, 386, 387, 432, 516, 579, 648, 688, 772, 774, 864, 1032, 1158, 1161, 1296, 1376, 1544, 1548, 1737, 2064, 2316, 2322, 2592, 3088, 3096, 3474, 3483, 4128, 4632, 4644, 5211, 6176, 6192, 6948, 6966, 8299, 9264, 9288, 10422, 12384, 13896, 13932, 15633, 16598, 18528, 18576, 20844, 24897, 27792, 27864, 31266, 33196, 37152, 41688, 49794, 55584, 55728, 62532, 66392, 74691, 83376, 99588, 111456, 125064, 132784, 149382, 166752, 199176, 224073, 250128, 265568, 298764, 398352, 448146, 500256, 597528, 672219, 796704, 896292, 1195056, 1344438, 1792584, 2390112, 2688876, 3585168, 5377752, 7170336, 10755504, 21511008]

約数ペア:

[(1, 21511008), (2, 10755504), (3, 7170336), (4, 5377752), (6, 3585168), (8, 2688876), (9, 2390112), (12, 1792584), (16, 1344438), (18, 1195056), (24, 896292), (27, 796704), (32, 672219), (36, 597528), (43, 500256), (48, 448146), (54, 398352), (72, 298764), (81, 265568), (86, 250128), (96, 224073), (108, 199176), (129, 166752), (144, 149382), (162, 132784), (172, 125064), (193, 111456), (216, 99588), (258, 83376), (288, 74691), (324, 66392), (344, 62532), (386, 55728), (387, 55584), (432, 49794), (516, 41688), (579, 37152), (648, 33196), (688, 31266), (772, 27864), (774, 27792), (864, 24897), (1032, 20844), (1158, 18576), (1161, 18528), (1296, 16598), (1376, 15633), (1544, 13932), (1548, 13896), (1737, 12384), (2064, 10422), (2316, 9288), (2322, 9264), (2592, 8299), (3088, 6966), (3096, 6948), (3474, 6192), (3483, 6176), (4128, 5211), (4632, 4644)]