21579586

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 38154240

約数和(自身を除く): 16574654

約数列:

[1, 2, 7, 14, 53, 106, 127, 229, 254, 371, 458, 742, 889, 1603, 1778, 3206, 6731, 12137, 13462, 24274, 29083, 47117, 58166, 84959, 94234, 169918, 203581, 407162, 1541399, 3082798, 10789793, 21579586]

約数ペア:

[(1, 21579586), (2, 10789793), (7, 3082798), (14, 1541399), (53, 407162), (106, 203581), (127, 169918), (229, 94234), (254, 84959), (371, 58166), (458, 47117), (742, 29083), (889, 24274), (1603, 13462), (1778, 12137), (3206, 6731)]