21560672

素因数分解:

$2^5\times 7^1\times {\mathrm{101}}^1\times {\mathrm{953}}^1$

素因数の和:1071

約数の個数: 48

約数和(自身を含む): 49043232

約数和(自身を除く): 27482560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 101, 112, 202, 224, 404, 707, 808, 953, 1414, 1616, 1906, 2828, 3232, 3812, 5656, 6671, 7624, 11312, 13342, 15248, 22624, 26684, 30496, 53368, 96253, 106736, 192506, 213472, 385012, 673771, 770024, 1347542, 1540048, 2695084, 3080096, 5390168, 10780336, 21560672]

約数ペア:

[(1, 21560672), (2, 10780336), (4, 5390168), (7, 3080096), (8, 2695084), (14, 1540048), (16, 1347542), (28, 770024), (32, 673771), (56, 385012), (101, 213472), (112, 192506), (202, 106736), (224, 96253), (404, 53368), (707, 30496), (808, 26684), (953, 22624), (1414, 15248), (1616, 13342), (1906, 11312), (2828, 7624), (3232, 6671), (3812, 5656)]