21558824

素因数分解:

$2^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 48153600

約数和(自身を除く): 26594776

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 49, 56, 86, 98, 172, 196, 301, 344, 392, 602, 1204, 1279, 2107, 2408, 2558, 4214, 5116, 8428, 8953, 10232, 16856, 17906, 35812, 54997, 62671, 71624, 109994, 125342, 219988, 250684, 384979, 439976, 501368, 769958, 1539916, 2694853, 3079832, 5389706, 10779412, 21558824]

約数ペア:

[(1, 21558824), (2, 10779412), (4, 5389706), (7, 3079832), (8, 2694853), (14, 1539916), (28, 769958), (43, 501368), (49, 439976), (56, 384979), (86, 250684), (98, 219988), (172, 125342), (196, 109994), (301, 71624), (344, 62671), (392, 54997), (602, 35812), (1204, 17906), (1279, 16856), (2107, 10232), (2408, 8953), (2558, 8428), (4214, 5116)]