21235288

素因数分解:

$2^3\times {\mathrm{607}}^1\times {\mathrm{4373}}^1$

素因数の和:4986

約数の個数: 16

約数和(自身を含む): 39890880

約数和(自身を除く): 18655592

約数列:

[1, 2, 4, 8, 607, 1214, 2428, 4373, 4856, 8746, 17492, 34984, 2654411, 5308822, 10617644, 21235288]

約数ペア:

[(1, 21235288), (2, 10617644), (4, 5308822), (8, 2654411), (607, 34984), (1214, 17492), (2428, 8746), (4373, 4856)]