21306642

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{507301}}^1$

素因数の和:507313

約数の個数: 16

約数和(自身を含む): 48700992

約数和(自身を除く): 27394350

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 507301, 1014602, 1521903, 3043806, 3551107, 7102214, 10653321, 21306642]

約数ペア:

[(1, 21306642), (2, 10653321), (3, 7102214), (6, 3551107), (7, 3043806), (14, 1521903), (21, 1014602), (42, 507301)]