21801864

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{18539}}^1$

素因数の和:18562

約数の個数: 48

約数和(自身を含む): 63406800

約数和(自身を除く): 41604936

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 18539, 37078, 55617, 74156, 111234, 129773, 148312, 222468, 259546, 389319, 444936, 519092, 778638, 908411, 1038184, 1557276, 1816822, 2725233, 3114552, 3633644, 5450466, 7267288, 10900932, 21801864]

約数ペア:

[(1, 21801864), (2, 10900932), (3, 7267288), (4, 5450466), (6, 3633644), (7, 3114552), (8, 2725233), (12, 1816822), (14, 1557276), (21, 1038184), (24, 908411), (28, 778638), (42, 519092), (49, 444936), (56, 389319), (84, 259546), (98, 222468), (147, 148312), (168, 129773), (196, 111234), (294, 74156), (392, 55617), (588, 37078), (1176, 18539)]