21402768

素因数分解:

$2^4\times 3^1\times {\mathrm{445891}}^1$

素因数の和:445902

約数の個数: 20

約数和(自身を含む): 55290608

約数和(自身を除く): 33887840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 445891, 891782, 1337673, 1783564, 2675346, 3567128, 5350692, 7134256, 10701384, 21402768]

約数ペア:

[(1, 21402768), (2, 10701384), (3, 7134256), (4, 5350692), (6, 3567128), (8, 2675346), (12, 1783564), (16, 1337673), (24, 891782), (48, 445891)]