21444592

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103099}}^1$

素因数の和:103120

約数の個数: 20

約数和(自身を含む): 44745400

約数和(自身を除く): 23300808

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 103099, 206198, 412396, 824792, 1340287, 1649584, 2680574, 5361148, 10722296, 21444592]

約数ペア:

[(1, 21444592), (2, 10722296), (4, 5361148), (8, 2680574), (13, 1649584), (16, 1340287), (26, 824792), (52, 412396), (104, 206198), (208, 103099)]