21869224

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{479}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 22482776

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 439, 479, 878, 958, 1756, 1916, 3512, 3832, 5707, 6227, 11414, 12454, 22828, 24908, 45656, 49816, 210281, 420562, 841124, 1682248, 2733653, 5467306, 10934612, 21869224]

約数ペア:

[(1, 21869224), (2, 10934612), (4, 5467306), (8, 2733653), (13, 1682248), (26, 841124), (52, 420562), (104, 210281), (439, 49816), (479, 45656), (878, 24908), (958, 22828), (1756, 12454), (1916, 11414), (3512, 6227), (3832, 5707)]