21716018

素因数分解:

$2^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:673

約数の個数: 16

約数和(自身を含む): 33022080

約数和(自身を除く): 11306062

約数列:

[1, 2, 181, 239, 251, 362, 478, 502, 43259, 45431, 59989, 86518, 90862, 119978, 10858009, 21716018]

約数ペア:

[(1, 21716018), (2, 10858009), (181, 119978), (239, 90862), (251, 86518), (362, 59989), (478, 45431), (502, 43259)]