21017626

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{34913}}^1$

素因数の和:34965

約数の個数: 16

約数和(自身を含む): 36869184

約数和(自身を除く): 15851558

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 34913, 69826, 244391, 488782, 1501259, 3002518, 10508813, 21017626]

約数ペア:

[(1, 21017626), (2, 10508813), (7, 3002518), (14, 1501259), (43, 488782), (86, 244391), (301, 69826), (602, 34913)]