21790128

素因数分解:

$2^4\times 3^1\times {\mathrm{453961}}^1$

素因数の和:453972

約数の個数: 20

約数和(自身を含む): 56291288

約数和(自身を除く): 34501160

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 453961, 907922, 1361883, 1815844, 2723766, 3631688, 5447532, 7263376, 10895064, 21790128]

約数ペア:

[(1, 21790128), (2, 10895064), (3, 7263376), (4, 5447532), (6, 3631688), (8, 2723766), (12, 1815844), (16, 1361883), (24, 907922), (48, 453961)]