21505254

素因数分解:

$2^1\times 3^1\times {\mathrm{1777}}^1\times {\mathrm{2017}}^1$

素因数の和:3799

約数の個数: 16

約数和(自身を含む): 43056048

約数和(自身を除く): 21550794

約数列:

[1, 2, 3, 6, 1777, 2017, 3554, 4034, 5331, 6051, 10662, 12102, 3584209, 7168418, 10752627, 21505254]

約数ペア:

[(1, 21505254), (2, 10752627), (3, 7168418), (6, 3584209), (1777, 12102), (2017, 10662), (3554, 6051), (4034, 5331)]