21830223

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{547}}^1$

素因数の和:854

約数の個数: 16

約数和(自身を含む): 29828736

約数和(自身を除く): 7998513

約数列:

[1, 3, 53, 159, 251, 547, 753, 1641, 13303, 28991, 39909, 86973, 137297, 411891, 7276741, 21830223]

約数ペア:

[(1, 21830223), (3, 7276741), (53, 411891), (159, 137297), (251, 86973), (547, 39909), (753, 28991), (1641, 13303)]