60021

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:47

約数の個数: 24

約数和(自身を含む): 101920

約数和(自身を除く): 41899

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 243, 247, 351, 513, 741, 1053, 1539, 2223, 3159, 4617, 6669, 20007, 60021]

約数ペア:

[(1, 60021), (3, 20007), (9, 6669), (13, 4617), (19, 3159), (27, 2223), (39, 1539), (57, 1053), (81, 741), (117, 513), (171, 351), (243, 247)]