21452984

素因数分解:

$2^3\times 7^2\times {\mathrm{54727}}^1$

素因数の和:54747

約数の個数: 24

約数和(自身を含む): 46792440

約数和(自身を除く): 25339456

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 54727, 109454, 218908, 383089, 437816, 766178, 1532356, 2681623, 3064712, 5363246, 10726492, 21452984]

約数ペア:

[(1, 21452984), (2, 10726492), (4, 5363246), (7, 3064712), (8, 2681623), (14, 1532356), (28, 766178), (49, 437816), (56, 383089), (98, 218908), (196, 109454), (392, 54727)]