21311104

素因数分解:

$2^7\times {\mathrm{331}}^1\times {\mathrm{503}}^1$

素因数の和:848

約数の個数: 32

約数和(自身を含む): 42668640

約数和(自身を除く): 21357536

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 331, 503, 662, 1006, 1324, 2012, 2648, 4024, 5296, 8048, 10592, 16096, 21184, 32192, 42368, 64384, 166493, 332986, 665972, 1331944, 2663888, 5327776, 10655552, 21311104]

約数ペア:

[(1, 21311104), (2, 10655552), (4, 5327776), (8, 2663888), (16, 1331944), (32, 665972), (64, 332986), (128, 166493), (331, 64384), (503, 42368), (662, 32192), (1006, 21184), (1324, 16096), (2012, 10592), (2648, 8048), (4024, 5296)]