21704223

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{5387}}^1$

素因数の和:5486

約数の個数: 16

約数和(自身を含む): 31034880

約数和(自身を除く): 9330657

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 5387, 16161, 91579, 274737, 425573, 1276719, 7234741, 21704223]

約数ペア:

[(1, 21704223), (3, 7234741), (17, 1276719), (51, 425573), (79, 274737), (237, 91579), (1343, 16161), (4029, 5387)]