21448259216

素因数分解:

$2^4\times {\mathrm{2741}}^1\times {\mathrm{489061}}^1$

素因数の和:491810

約数の個数: 20

約数和(自身を含む): 41571248124

約数和(自身を除く): 20122988908

約数列:

[1, 2, 4, 8, 16, 2741, 5482, 10964, 21928, 43856, 489061, 978122, 1956244, 3912488, 7824976, 1340516201, 2681032402, 5362064804, 10724129608, 21448259216]

約数ペア:

[(1, 21448259216), (2, 10724129608), (4, 5362064804), (8, 2681032402), (16, 1340516201), (2741, 7824976), (5482, 3912488), (10964, 1956244), (21928, 978122), (43856, 489061)]