21704124

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{373}}^2$

素因数の和:766

約数の個数: 36

約数和(自身を含む): 54685176

約数和(自身を除く): 32981052

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 373, 746, 1119, 1492, 2238, 4476, 4849, 9698, 14547, 19396, 29094, 58188, 139129, 278258, 417387, 556516, 834774, 1669548, 1808677, 3617354, 5426031, 7234708, 10852062, 21704124]

約数ペア:

[(1, 21704124), (2, 10852062), (3, 7234708), (4, 5426031), (6, 3617354), (12, 1808677), (13, 1669548), (26, 834774), (39, 556516), (52, 417387), (78, 278258), (156, 139129), (373, 58188), (746, 29094), (1119, 19396), (1492, 14547), (2238, 9698), (4476, 4849)]