21564426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{276467}}^1$

素因数の和:276485

約数の個数: 16

約数和(自身を含む): 46446624

約数和(自身を除く): 24882198

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 276467, 552934, 829401, 1658802, 3594071, 7188142, 10782213, 21564426]

約数ペア:

[(1, 21564426), (2, 10782213), (3, 7188142), (6, 3594071), (13, 1658802), (26, 829401), (39, 552934), (78, 276467)]