21471956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{2131}}^1$

素因数の和:2375

約数の個数: 24

約数和(自身を含む): 41190240

約数和(自身を除く): 19718284

約数列:

[1, 2, 4, 11, 22, 44, 229, 458, 916, 2131, 2519, 4262, 5038, 8524, 10076, 23441, 46882, 93764, 487999, 975998, 1951996, 5367989, 10735978, 21471956]

約数ペア:

[(1, 21471956), (2, 10735978), (4, 5367989), (11, 1951996), (22, 975998), (44, 487999), (229, 93764), (458, 46882), (916, 23441), (2131, 10076), (2519, 8524), (4262, 5038)]