21239136

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{2543}}^1$

素因数の和:2588

約数の個数: 72

約数和(自身を含む): 62506080

約数和(自身を除く): 41266944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 87, 96, 116, 144, 174, 232, 261, 288, 348, 464, 522, 696, 928, 1044, 1392, 2088, 2543, 2784, 4176, 5086, 7629, 8352, 10172, 15258, 20344, 22887, 30516, 40688, 45774, 61032, 73747, 81376, 91548, 122064, 147494, 183096, 221241, 244128, 294988, 366192, 442482, 589976, 663723, 732384, 884964, 1179952, 1327446, 1769928, 2359904, 2654892, 3539856, 5309784, 7079712, 10619568, 21239136]

約数ペア:

[(1, 21239136), (2, 10619568), (3, 7079712), (4, 5309784), (6, 3539856), (8, 2654892), (9, 2359904), (12, 1769928), (16, 1327446), (18, 1179952), (24, 884964), (29, 732384), (32, 663723), (36, 589976), (48, 442482), (58, 366192), (72, 294988), (87, 244128), (96, 221241), (116, 183096), (144, 147494), (174, 122064), (232, 91548), (261, 81376), (288, 73747), (348, 61032), (464, 45774), (522, 40688), (696, 30516), (928, 22887), (1044, 20344), (1392, 15258), (2088, 10172), (2543, 8352), (2784, 7629), (4176, 5086)]