21167124489

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{79561}}^1$

素因数の和:79718

約数の個数: 48

約数和(自身を含む): 36142788864

約数和(自身を除く): 14975664375

約数列:

[1, 3, 7, 9, 21, 41, 63, 103, 123, 287, 309, 369, 721, 861, 927, 2163, 2583, 4223, 6489, 12669, 29561, 38007, 79561, 88683, 238683, 266049, 556927, 716049, 1670781, 3262001, 5012343, 8194783, 9786003, 22834007, 24584349, 29358009, 57363481, 68502021, 73753047, 172090443, 205506063, 335986103, 516271329, 1007958309, 2351902721, 3023874927, 7055708163, 21167124489]

約数ペア:

[(1, 21167124489), (3, 7055708163), (7, 3023874927), (9, 2351902721), (21, 1007958309), (41, 516271329), (63, 335986103), (103, 205506063), (123, 172090443), (287, 73753047), (309, 68502021), (369, 57363481), (721, 29358009), (861, 24584349), (927, 22834007), (2163, 9786003), (2583, 8194783), (4223, 5012343), (6489, 3262001), (12669, 1670781), (29561, 716049), (38007, 556927), (79561, 266049), (88683, 238683)]