21178469

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{367}}^1$

素因数の和:596

約数の個数: 16

約数和(自身を含む): 23987712

約数和(自身を除く): 2809243

約数列:

[1, 13, 23, 193, 299, 367, 2509, 4439, 4771, 8441, 57707, 70831, 109733, 920803, 1629113, 21178469]

約数ペア:

[(1, 21178469), (13, 1629113), (23, 920803), (193, 109733), (299, 70831), (367, 57707), (2509, 8441), (4439, 4771)]