21183216

素因数分解:

$2^4\times 3^1\times {\mathrm{223}}^1\times {\mathrm{1979}}^1$

素因数の和:2213

約数の個数: 40

約数和(自身を含む): 54996480

約数和(自身を除く): 33813264

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 223, 446, 669, 892, 1338, 1784, 1979, 2676, 3568, 3958, 5352, 5937, 7916, 10704, 11874, 15832, 23748, 31664, 47496, 94992, 441317, 882634, 1323951, 1765268, 2647902, 3530536, 5295804, 7061072, 10591608, 21183216]

約数ペア:

[(1, 21183216), (2, 10591608), (3, 7061072), (4, 5295804), (6, 3530536), (8, 2647902), (12, 1765268), (16, 1323951), (24, 882634), (48, 441317), (223, 94992), (446, 47496), (669, 31664), (892, 23748), (1338, 15832), (1784, 11874), (1979, 10704), (2676, 7916), (3568, 5937), (3958, 5352)]