21528684

素因数分解:

$2^2\times 3^2\times {\mathrm{569}}^1\times {\mathrm{1051}}^1$

素因数の和:1630

約数の個数: 36

約数和(自身を含む): 54567240

約数和(自身を除く): 33038556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 569, 1051, 1138, 1707, 2102, 2276, 3153, 3414, 4204, 5121, 6306, 6828, 9459, 10242, 12612, 18918, 20484, 37836, 598019, 1196038, 1794057, 2392076, 3588114, 5382171, 7176228, 10764342, 21528684]

約数ペア:

[(1, 21528684), (2, 10764342), (3, 7176228), (4, 5382171), (6, 3588114), (9, 2392076), (12, 1794057), (18, 1196038), (36, 598019), (569, 37836), (1051, 20484), (1138, 18918), (1707, 12612), (2102, 10242), (2276, 9459), (3153, 6828), (3414, 6306), (4204, 5121)]