21908971

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5939}}^1$

素因数の和:5994

約数の個数: 16

約数和(自身を含む): 27371520

約数和(自身を除く): 5462549

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 5939, 41573, 100963, 184109, 706741, 1288763, 3129853, 21908971]

約数ペア:

[(1, 21908971), (7, 3129853), (17, 1288763), (31, 706741), (119, 184109), (217, 100963), (527, 41573), (3689, 5939)]