21191244

素因数分解:

$2^2\times 3^1\times {\mathrm{223}}^1\times {\mathrm{7919}}^1$

素因数の和:8149

約数の個数: 24

約数和(自身を含む): 49674240

約数和(自身を除く): 28482996

約数列:

[1, 2, 3, 4, 6, 12, 223, 446, 669, 892, 1338, 2676, 7919, 15838, 23757, 31676, 47514, 95028, 1765937, 3531874, 5297811, 7063748, 10595622, 21191244]

約数ペア:

[(1, 21191244), (2, 10595622), (3, 7063748), (4, 5297811), (6, 3531874), (12, 1765937), (223, 95028), (446, 47514), (669, 31676), (892, 23757), (1338, 15838), (2676, 7919)]