21489942

素因数分解:

$2^1\times 3^1\times {\mathrm{197}}^1\times {\mathrm{18181}}^1$

素因数の和:18383

約数の個数: 16

約数和(自身を含む): 43200432

約数和(自身を除く): 21710490

約数列:

[1, 2, 3, 6, 197, 394, 591, 1182, 18181, 36362, 54543, 109086, 3581657, 7163314, 10744971, 21489942]

約数ペア:

[(1, 21489942), (2, 10744971), (3, 7163314), (6, 3581657), (197, 109086), (394, 54543), (591, 36362), (1182, 18181)]