21790368

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{2609}}^1$

素因数の和:2654

約数の個数: 72

約数和(自身を含む): 64127700

約数和(自身を除く): 42337332

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, 2609, 2784, 4176, 5218, 7827, 8352, 10436, 15654, 20872, 23481, 31308, 41744, 46962, 62616, 75661, 83488, 93924, 125232, 151322, 187848, 226983, 250464, 302644, 375696, 453966, 605288, 680949, 751392, 907932, 1210576, 1361898, 1815864, 2421152, 2723796, 3631728, 5447592, 7263456, 10895184, 21790368]

約数ペア:

[(1, 21790368), (2, 10895184), (3, 7263456), (4, 5447592), (6, 3631728), (8, 2723796), (9, 2421152), (12, 1815864), (16, 1361898), (18, 1210576), (24, 907932), (29, 751392), (32, 680949), (36, 605288), (48, 453966), (58, 375696), (72, 302644), (87, 250464), (96, 226983), (116, 187848), (144, 151322), (174, 125232), (232, 93924), (261, 83488), (288, 75661), (348, 62616), (464, 46962), (522, 41744), (696, 31308), (928, 23481), (1044, 20872), (1392, 15654), (2088, 10436), (2609, 8352), (2784, 7827), (4176, 5218)]