21490956932

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{769}}^1\times {\mathrm{44501}}^1$

素因数の和:45431

約数の個数: 24

約数和(自身を含む): 37898793240

約数和(自身を除く): 16407836308

約数列:

[1, 2, 4, 157, 314, 628, 769, 1538, 3076, 44501, 89002, 120733, 178004, 241466, 482932, 6986657, 13973314, 27946628, 34221269, 68442538, 136885076, 5372739233, 10745478466, 21490956932]

約数ペア:

[(1, 21490956932), (2, 10745478466), (4, 5372739233), (157, 136885076), (314, 68442538), (628, 34221269), (769, 27946628), (1538, 13973314), (3076, 6986657), (44501, 482932), (89002, 241466), (120733, 178004)]