210621796

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:230

約数の個数: 108

約数和(自身を含む): 481423824

約数和(自身を除く): 270802028

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 83, 98, 107, 121, 154, 166, 196, 214, 242, 308, 332, 428, 484, 539, 581, 749, 847, 913, 1078, 1162, 1177, 1498, 1694, 1826, 2156, 2324, 2354, 2996, 3388, 3652, 4067, 4708, 5243, 5929, 6391, 8134, 8239, 8881, 10043, 10486, 11858, 12782, 12947, 16268, 16478, 17762, 20086, 20972, 23716, 25564, 25894, 32956, 35524, 40172, 44737, 51788, 57673, 62167, 70301, 89474, 90629, 97691, 115346, 124334, 140602, 178948, 181258, 195382, 230692, 248668, 281204, 362516, 390764, 435169, 492107, 634403, 683837, 870338, 984214, 1074601, 1268806, 1367674, 1740676, 1968428, 2149202, 2537612, 2735348, 4298404, 4786859, 7522207, 9573718, 15044414, 19147436, 30088828, 52655449, 105310898, 210621796]

約数ペア:

[(1, 210621796), (2, 105310898), (4, 52655449), (7, 30088828), (11, 19147436), (14, 15044414), (22, 9573718), (28, 7522207), (44, 4786859), (49, 4298404), (77, 2735348), (83, 2537612), (98, 2149202), (107, 1968428), (121, 1740676), (154, 1367674), (166, 1268806), (196, 1074601), (214, 984214), (242, 870338), (308, 683837), (332, 634403), (428, 492107), (484, 435169), (539, 390764), (581, 362516), (749, 281204), (847, 248668), (913, 230692), (1078, 195382), (1162, 181258), (1177, 178948), (1498, 140602), (1694, 124334), (1826, 115346), (2156, 97691), (2324, 90629), (2354, 89474), (2996, 70301), (3388, 62167), (3652, 57673), (4067, 51788), (4708, 44737), (5243, 40172), (5929, 35524), (6391, 32956), (8134, 25894), (8239, 25564), (8881, 23716), (10043, 20972), (10486, 20086), (11858, 17762), (12782, 16478), (12947, 16268)]