21931.000000

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{2203}}^1$

素因数の和:2221

約数の個数: 24

約数和(自身を含む): 740544

約数和(自身を除く): 449748

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 2203, 4406, 6609, 8812, 13218, 24233, 26436, 48466, 72699, 96932, 145398, 290796]

約数ペア:

[(1, 290796), (2, 145398), (3, 96932), (4, 72699), (6, 48466), (11, 26436), (12, 24233), (22, 13218), (33, 8812), (44, 6609), (66, 4406), (132, 2203)]