21761288

素因数分解:

$2^3\times {\mathrm{797}}^1\times {\mathrm{3413}}^1$

素因数の和:4216

約数の個数: 16

約数和(自身を含む): 40865580

約数和(自身を除く): 19104292

約数列:

[1, 2, 4, 8, 797, 1594, 3188, 3413, 6376, 6826, 13652, 27304, 2720161, 5440322, 10880644, 21761288]

約数ペア:

[(1, 21761288), (2, 10880644), (4, 5440322), (8, 2720161), (797, 27304), (1594, 13652), (3188, 6826), (3413, 6376)]