21611828

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{45403}}^1$

素因数の和:45431

約数の個数: 24

約数和(自身を含む): 45767232

約数和(自身を除く): 24155404

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 45403, 90806, 181612, 317821, 635642, 771851, 1271284, 1543702, 3087404, 5402957, 10805914, 21611828]

約数ペア:

[(1, 21611828), (2, 10805914), (4, 5402957), (7, 3087404), (14, 1543702), (17, 1271284), (28, 771851), (34, 635642), (68, 317821), (119, 181612), (238, 90806), (476, 45403)]