21439304

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{43933}}^1$

素因数の和:44000

約数の個数: 16

約数和(自身を含む): 40858620

約数和(自身を除く): 19419316

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 43933, 87866, 175732, 351464, 2679913, 5359826, 10719652, 21439304]

約数ペア:

[(1, 21439304), (2, 10719652), (4, 5359826), (8, 2679913), (61, 351464), (122, 175732), (244, 87866), (488, 43933)]