21078768

素因数分解:

$2^4\times 3^1\times {\mathrm{439141}}^1$

素因数の和:439152

約数の個数: 20

約数和(自身を含む): 54453608

約数和(自身を除く): 33374840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 439141, 878282, 1317423, 1756564, 2634846, 3513128, 5269692, 7026256, 10539384, 21078768]

約数ペア:

[(1, 21078768), (2, 10539384), (3, 7026256), (4, 5269692), (6, 3513128), (8, 2634846), (12, 1756564), (16, 1317423), (24, 878282), (48, 439141)]