21139936246

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2887}}^1\times {\mathrm{25603}}^1$

素因数の和:28516

約数の個数: 32

約数和(自身を含む): 37267953408

約数和(自身を除く): 16128017162

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 2887, 5774, 25603, 31757, 37531, 51206, 63514, 75062, 281633, 332839, 412841, 563266, 665678, 825682, 3661229, 7322458, 73915861, 147831722, 813074471, 960906193, 1626148942, 1921812386, 10569968123, 21139936246]

約数ペア:

[(1, 21139936246), (2, 10569968123), (11, 1921812386), (13, 1626148942), (22, 960906193), (26, 813074471), (143, 147831722), (286, 73915861), (2887, 7322458), (5774, 3661229), (25603, 825682), (31757, 665678), (37531, 563266), (51206, 412841), (63514, 332839), (75062, 281633)]