21402384

素因数分解:

$2^4\times 3^1\times {\mathrm{445883}}^1$

素因数の和:445894

約数の個数: 20

約数和(自身を含む): 55289616

約数和(自身を除く): 33887232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 445883, 891766, 1337649, 1783532, 2675298, 3567064, 5350596, 7134128, 10701192, 21402384]

約数ペア:

[(1, 21402384), (2, 10701192), (3, 7134128), (4, 5350596), (6, 3567064), (8, 2675298), (12, 1783532), (16, 1337649), (24, 891766), (48, 445883)]