21393050288

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{7387103}}^1$

素因数の和:7387292

約数の個数: 20

約数和(自身を含む): 41678040768

約数和(自身を除く): 20284990480

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 7387103, 14774206, 29548412, 59096824, 118193648, 1337065643, 2674131286, 5348262572, 10696525144, 21393050288]

約数ペア:

[(1, 21393050288), (2, 10696525144), (4, 5348262572), (8, 2674131286), (16, 1337065643), (181, 118193648), (362, 59096824), (724, 29548412), (1448, 14774206), (2896, 7387103)]