2157904

素因数分解:

$2^4\times 7^1\times {\mathrm{19267}}^1$

素因数の和:19282

約数の個数: 20

約数和(自身を含む): 4778464

約数和(自身を除く): 2620560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 19267, 38534, 77068, 134869, 154136, 269738, 308272, 539476, 1078952, 2157904]

約数ペア:

[(1, 2157904), (2, 1078952), (4, 539476), (7, 308272), (8, 269738), (14, 154136), (16, 134869), (28, 77068), (56, 38534), (112, 19267)]