21187464

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{5623}}^1$

素因数の和:5789

約数の個数: 32

約数和(自身を含む): 53315520

約数和(自身を除く): 32128056

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 314, 471, 628, 942, 1256, 1884, 3768, 5623, 11246, 16869, 22492, 33738, 44984, 67476, 134952, 882811, 1765622, 2648433, 3531244, 5296866, 7062488, 10593732, 21187464]

約数ペア:

[(1, 21187464), (2, 10593732), (3, 7062488), (4, 5296866), (6, 3531244), (8, 2648433), (12, 1765622), (24, 882811), (157, 134952), (314, 67476), (471, 44984), (628, 33738), (942, 22492), (1256, 16869), (1884, 11246), (3768, 5623)]