21845848

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{38461}}^1$

素因数の和:38538

約数の個数: 16

約数和(自身を含む): 41538960

約数和(自身を除く): 19693112

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 38461, 76922, 153844, 307688, 2730731, 5461462, 10922924, 21845848]

約数ペア:

[(1, 21845848), (2, 10922924), (4, 5461462), (8, 2730731), (71, 307688), (142, 153844), (284, 76922), (568, 38461)]