21253542

素因数分解:

$2^1\times 3^1\times {\mathrm{197}}^1\times {\mathrm{17981}}^1$

素因数の和:18183

約数の個数: 16

約数和(自身を含む): 42725232

約数和(自身を除く): 21471690

約数列:

[1, 2, 3, 6, 197, 394, 591, 1182, 17981, 35962, 53943, 107886, 3542257, 7084514, 10626771, 21253542]

約数ペア:

[(1, 21253542), (2, 10626771), (3, 7084514), (6, 3542257), (197, 107886), (394, 53943), (591, 35962), (1182, 17981)]