2157328

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{1237}}^1$

素因数の和:1354

約数の個数: 20

約数和(自身を含む): 4221580

約数和(自身を除く): 2064252

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1237, 1744, 2474, 4948, 9896, 19792, 134833, 269666, 539332, 1078664, 2157328]

約数ペア:

[(1, 2157328), (2, 1078664), (4, 539332), (8, 269666), (16, 134833), (109, 19792), (218, 9896), (436, 4948), (872, 2474), (1237, 1744)]