21532413

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{5051}}^1$

素因数の和:5097

約数の個数: 24

約数和(自身を含む): 34555680

約数和(自身を除く): 13023267

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 5051, 15153, 35357, 106071, 146479, 247499, 439437, 742497, 1025353, 3076059, 7177471, 21532413]

約数ペア:

[(1, 21532413), (3, 7177471), (7, 3076059), (21, 1025353), (29, 742497), (49, 439437), (87, 247499), (147, 146479), (203, 106071), (609, 35357), (1421, 15153), (4263, 5051)]