21018021297

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2483519}}^1$

素因数の和:2483573

約数の個数: 32

約数和(自身を含む): 35603742720

約数和(自身を除く): 14585721423

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 8463, 2483519, 7450557, 17384633, 32285747, 52153899, 76989089, 96857241, 226000229, 230967267, 538923623, 678000687, 1000858157, 1616770869, 3002574471, 7006007099, 21018021297]

約数ペア:

[(1, 21018021297), (3, 7006007099), (7, 3002574471), (13, 1616770869), (21, 1000858157), (31, 678000687), (39, 538923623), (91, 230967267), (93, 226000229), (217, 96857241), (273, 76989089), (403, 52153899), (651, 32285747), (1209, 17384633), (2821, 7450557), (8463, 2483519)]