21425154

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{907}}^1$

素因数の和:1070

約数の個数: 32

約数和(自身を含む): 44630016

約数和(自身を除く): 23204862

約数列:

[1, 2, 3, 6, 31, 62, 93, 127, 186, 254, 381, 762, 907, 1814, 2721, 3937, 5442, 7874, 11811, 23622, 28117, 56234, 84351, 115189, 168702, 230378, 345567, 691134, 3570859, 7141718, 10712577, 21425154]

約数ペア:

[(1, 21425154), (2, 10712577), (3, 7141718), (6, 3570859), (31, 691134), (62, 345567), (93, 230378), (127, 168702), (186, 115189), (254, 84351), (381, 56234), (762, 28117), (907, 23622), (1814, 11811), (2721, 7874), (3937, 5442)]