21198534

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{504727}}^1$

素因数の和:504739

約数の個数: 16

約数和(自身を含む): 48453888

約数和(自身を除く): 27255354

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 504727, 1009454, 1514181, 3028362, 3533089, 7066178, 10599267, 21198534]

約数ペア:

[(1, 21198534), (2, 10599267), (3, 7066178), (6, 3533089), (7, 3028362), (14, 1514181), (21, 1009454), (42, 504727)]