21452944

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{12301}}^1$

素因数の和:12418

約数の個数: 20

約数和(自身を含む): 41949820

約数和(自身を除く): 20496876

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 12301, 24602, 49204, 98408, 196816, 1340809, 2681618, 5363236, 10726472, 21452944]

約数ペア:

[(1, 21452944), (2, 10726472), (4, 5363236), (8, 2681618), (16, 1340809), (109, 196816), (218, 98408), (436, 49204), (872, 24602), (1744, 12301)]