21433888

素因数分解:

$2^5\times 7^1\times {\mathrm{103}}^1\times {\mathrm{929}}^1$

素因数の和:1049

約数の個数: 48

約数和(自身を含む): 48746880

約数和(自身を除く): 27312992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 103, 112, 206, 224, 412, 721, 824, 929, 1442, 1648, 1858, 2884, 3296, 3716, 5768, 6503, 7432, 11536, 13006, 14864, 23072, 26012, 29728, 52024, 95687, 104048, 191374, 208096, 382748, 669809, 765496, 1339618, 1530992, 2679236, 3061984, 5358472, 10716944, 21433888]

約数ペア:

[(1, 21433888), (2, 10716944), (4, 5358472), (7, 3061984), (8, 2679236), (14, 1530992), (16, 1339618), (28, 765496), (32, 669809), (56, 382748), (103, 208096), (112, 191374), (206, 104048), (224, 95687), (412, 52024), (721, 29728), (824, 26012), (929, 23072), (1442, 14864), (1648, 13006), (1858, 11536), (2884, 7432), (3296, 6503), (3716, 5768)]