21740670

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11503}}^1$

素因数の和:11526

約数の個数: 64

約数和(自身を含む): 66263040

約数和(自身を除く): 44522370

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 11503, 23006, 34509, 57515, 69018, 80521, 103527, 115030, 161042, 172545, 207054, 241563, 310581, 345090, 402605, 483126, 517635, 621162, 724689, 805210, 1035270, 1207815, 1449378, 1552905, 2174067, 2415630, 3105810, 3623445, 4348134, 7246890, 10870335, 21740670]

約数ペア:

[(1, 21740670), (2, 10870335), (3, 7246890), (5, 4348134), (6, 3623445), (7, 3105810), (9, 2415630), (10, 2174067), (14, 1552905), (15, 1449378), (18, 1207815), (21, 1035270), (27, 805210), (30, 724689), (35, 621162), (42, 517635), (45, 483126), (54, 402605), (63, 345090), (70, 310581), (90, 241563), (105, 207054), (126, 172545), (135, 161042), (189, 115030), (210, 103527), (270, 80521), (315, 69018), (378, 57515), (630, 34509), (945, 23006), (1890, 11503)]