21478632

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127849}}^1$

素因数の和:127865

約数の個数: 32

約数和(自身を含む): 61368000

約数和(自身を除く): 39889368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 127849, 255698, 383547, 511396, 767094, 894943, 1022792, 1534188, 1789886, 2684829, 3068376, 3579772, 5369658, 7159544, 10739316, 21478632]

約数ペア:

[(1, 21478632), (2, 10739316), (3, 7159544), (4, 5369658), (6, 3579772), (7, 3068376), (8, 2684829), (12, 1789886), (14, 1534188), (21, 1022792), (24, 894943), (28, 767094), (42, 511396), (56, 383547), (84, 255698), (168, 127849)]