21372972

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43441}}^1$

素因数の和:43489

約数の個数: 24

約数和(自身を含む): 51087792

約数和(自身を除く): 29714820

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 43441, 86882, 130323, 173764, 260646, 521292, 1781081, 3562162, 5343243, 7124324, 10686486, 21372972]

約数ペア:

[(1, 21372972), (2, 10686486), (3, 7124324), (4, 5343243), (6, 3562162), (12, 1781081), (41, 521292), (82, 260646), (123, 173764), (164, 130323), (246, 86882), (492, 43441)]