21453738

素因数分解:

$2^1\times 3^1\times {\mathrm{521}}^1\times {\mathrm{6863}}^1$

素因数の和:7389

約数の個数: 16

約数和(自身を含む): 42996096

約数和(自身を除く): 21542358

約数列:

[1, 2, 3, 6, 521, 1042, 1563, 3126, 6863, 13726, 20589, 41178, 3575623, 7151246, 10726869, 21453738]

約数ペア:

[(1, 21453738), (2, 10726869), (3, 7151246), (6, 3575623), (521, 41178), (1042, 20589), (1563, 13726), (3126, 6863)]