21844613

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1112

約数の個数: 16

約数和(自身を含む): 25903104

約数和(自身を除く): 4058491

約数列:

[1, 7, 47, 67, 329, 469, 991, 3149, 6937, 22043, 46577, 66397, 326039, 464779, 3120659, 21844613]

約数ペア:

[(1, 21844613), (7, 3120659), (47, 464779), (67, 326039), (329, 66397), (469, 46577), (991, 22043), (3149, 6937)]