21626760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{787}}^1$

素因数の和:1030

約数の個数: 64

約数和(自身を含む): 65246400

約数和(自身を除く): 43619640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 229, 458, 687, 787, 916, 1145, 1374, 1574, 1832, 2290, 2361, 2748, 3148, 3435, 3935, 4580, 4722, 5496, 6296, 6870, 7870, 9160, 9444, 11805, 13740, 15740, 18888, 23610, 27480, 31480, 47220, 94440, 180223, 360446, 540669, 720892, 901115, 1081338, 1441784, 1802230, 2162676, 2703345, 3604460, 4325352, 5406690, 7208920, 10813380, 21626760]

約数ペア:

[(1, 21626760), (2, 10813380), (3, 7208920), (4, 5406690), (5, 4325352), (6, 3604460), (8, 2703345), (10, 2162676), (12, 1802230), (15, 1441784), (20, 1081338), (24, 901115), (30, 720892), (40, 540669), (60, 360446), (120, 180223), (229, 94440), (458, 47220), (687, 31480), (787, 27480), (916, 23610), (1145, 18888), (1374, 15740), (1574, 13740), (1832, 11805), (2290, 9444), (2361, 9160), (2748, 7870), (3148, 6870), (3435, 6296), (3935, 5496), (4580, 4722)]