21861728

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5741}}^1$

素因数の和:5775

約数の個数: 48

約数和(自身を含む): 52091424

約数和(自身を除く): 30229696

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 5741, 11482, 22964, 40187, 45928, 80374, 91856, 97597, 160748, 183712, 195194, 321496, 390388, 642992, 683179, 780776, 1285984, 1366358, 1561552, 2732716, 3123104, 5465432, 10930864, 21861728]

約数ペア:

[(1, 21861728), (2, 10930864), (4, 5465432), (7, 3123104), (8, 2732716), (14, 1561552), (16, 1366358), (17, 1285984), (28, 780776), (32, 683179), (34, 642992), (56, 390388), (68, 321496), (112, 195194), (119, 183712), (136, 160748), (224, 97597), (238, 91856), (272, 80374), (476, 45928), (544, 40187), (952, 22964), (1904, 11482), (3808, 5741)]