21749569

素因数分解:

${\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:300

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 1474751

約数列:

[1, 31, 79, 83, 107, 2449, 2573, 3317, 6557, 8453, 8881, 203267, 262043, 275311, 701599, 21749569]

約数ペア:

[(1, 21749569), (31, 701599), (79, 275311), (83, 262043), (107, 203267), (2449, 8881), (2573, 8453), (3317, 6557)]