21993764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{883}}^1$

素因数の和:1379

約数の個数: 24

約数和(自身を含む): 41583360

約数和(自身を除く): 19589596

約数列:

[1, 2, 4, 13, 26, 52, 479, 883, 958, 1766, 1916, 3532, 6227, 11479, 12454, 22958, 24908, 45916, 422957, 845914, 1691828, 5498441, 10996882, 21993764]

約数ペア:

[(1, 21993764), (2, 10996882), (4, 5498441), (13, 1691828), (26, 845914), (52, 422957), (479, 45916), (883, 24908), (958, 22958), (1766, 12454), (1916, 11479), (3532, 6227)]