15421904

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{23509}}^1$

素因数の和:23558

約数の個数: 20

約数和(自身を含む): 30610020

約数和(自身を除く): 15188116

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 23509, 47018, 94036, 188072, 376144, 963869, 1927738, 3855476, 7710952, 15421904]

約数ペア:

[(1, 15421904), (2, 7710952), (4, 3855476), (8, 1927738), (16, 963869), (41, 376144), (82, 188072), (164, 94036), (328, 47018), (656, 23509)]