21301545

素因数分解:

$3^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1433}}^1$

素因数の和:2432

約数の個数: 16

約数和(自身を含む): 34140672

約数和(自身を除く): 12839127

約数列:

[1, 3, 5, 15, 991, 1433, 2973, 4299, 4955, 7165, 14865, 21495, 1420103, 4260309, 7100515, 21301545]

約数ペア:

[(1, 21301545), (3, 7100515), (5, 4260309), (15, 1420103), (991, 21495), (1433, 14865), (2973, 7165), (4299, 4955)]