21332661

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1523}}^1$

素因数の和:1585

約数の個数: 32

約数和(自身を含む): 35112960

約数和(自身を除く): 13780299

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 609, 667, 1523, 2001, 4569, 4669, 10661, 14007, 31983, 35029, 44167, 105087, 132501, 245203, 309169, 735609, 927507, 1015841, 3047523, 7110887, 21332661]

約数ペア:

[(1, 21332661), (3, 7110887), (7, 3047523), (21, 1015841), (23, 927507), (29, 735609), (69, 309169), (87, 245203), (161, 132501), (203, 105087), (483, 44167), (609, 35029), (667, 31983), (1523, 14007), (2001, 10661), (4569, 4669)]