21077488

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{13043}}^1$

素因数の和:13152

約数の個数: 20

約数和(自身を含む): 41245128

約数和(自身を除く): 20167640

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 13043, 26086, 52172, 104344, 208688, 1317343, 2634686, 5269372, 10538744, 21077488]

約数ペア:

[(1, 21077488), (2, 10538744), (4, 5269372), (8, 2634686), (16, 1317343), (101, 208688), (202, 104344), (404, 52172), (808, 26086), (1616, 13043)]