21062587

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3923}}^1$

素因数の和:4002

約数の個数: 16

約数和(自身を含む): 26369280

約数和(自身を除く): 5306693

約数列:

[1, 7, 13, 59, 91, 413, 767, 3923, 5369, 27461, 50999, 231457, 356993, 1620199, 3008941, 21062587]

約数ペア:

[(1, 21062587), (7, 3008941), (13, 1620199), (59, 356993), (91, 231457), (413, 50999), (767, 27461), (3923, 5369)]