21311976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{126857}}^1$

素因数の和:126873

約数の個数: 32

約数和(自身を含む): 60891840

約数和(自身を除く): 39579864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 126857, 253714, 380571, 507428, 761142, 887999, 1014856, 1522284, 1775998, 2663997, 3044568, 3551996, 5327994, 7103992, 10655988, 21311976]

約数ペア:

[(1, 21311976), (2, 10655988), (3, 7103992), (4, 5327994), (6, 3551996), (7, 3044568), (8, 2663997), (12, 1775998), (14, 1522284), (21, 1014856), (24, 887999), (28, 761142), (42, 507428), (56, 380571), (84, 253714), (168, 126857)]