21488578

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{27479}}^1$

素因数の和:27521

約数の個数: 16

約数和(自身を含む): 35614080

約数和(自身を除く): 14125502

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 27479, 54958, 467143, 632017, 934286, 1264034, 10744289, 21488578]

約数ペア:

[(1, 21488578), (2, 10744289), (17, 1264034), (23, 934286), (34, 632017), (46, 467143), (391, 54958), (782, 27479)]