21168294

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:917

約数の個数: 48

約数和(自身を含む): 49863600

約数和(自身を除く): 28695306

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 89, 98, 147, 178, 267, 294, 534, 623, 809, 1246, 1618, 1869, 2427, 3738, 4361, 4854, 5663, 8722, 11326, 13083, 16989, 26166, 33978, 39641, 72001, 79282, 118923, 144002, 216003, 237846, 432006, 504007, 1008014, 1512021, 3024042, 3528049, 7056098, 10584147, 21168294]

約数ペア:

[(1, 21168294), (2, 10584147), (3, 7056098), (6, 3528049), (7, 3024042), (14, 1512021), (21, 1008014), (42, 504007), (49, 432006), (89, 237846), (98, 216003), (147, 144002), (178, 118923), (267, 79282), (294, 72001), (534, 39641), (623, 33978), (809, 26166), (1246, 16989), (1618, 13083), (1869, 11326), (2427, 8722), (3738, 5663), (4361, 4854)]