2021069973

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{5851}}^1$

素因数の和:6405

約数の個数: 32

約数和(自身を含む): 3079181952

約数和(自身を除く): 1058111979

約数列:

[1, 3, 13, 17, 39, 51, 221, 521, 663, 1563, 5851, 6773, 8857, 17553, 20319, 26571, 76063, 99467, 115141, 228189, 298401, 345423, 1293071, 3048371, 3879213, 9145113, 39628823, 51822307, 118886469, 155466921, 673689991, 2021069973]

約数ペア:

[(1, 2021069973), (3, 673689991), (13, 155466921), (17, 118886469), (39, 51822307), (51, 39628823), (221, 9145113), (521, 3879213), (663, 3048371), (1563, 1293071), (5851, 345423), (6773, 298401), (8857, 228189), (17553, 115141), (20319, 99467), (26571, 76063)]