21519104

素因数分解:

$2^8\times {\mathrm{84059}}^1$

素因数の和:84075

約数の個数: 18

約数和(自身を含む): 42954660

約数和(自身を除く): 21435556

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 84059, 168118, 336236, 672472, 1344944, 2689888, 5379776, 10759552, 21519104]

約数ペア:

[(1, 21519104), (2, 10759552), (4, 5379776), (8, 2689888), (16, 1344944), (32, 672472), (64, 336236), (128, 168118), (256, 84059)]