21891332

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{3331}}^1$

素因数の和:3419

約数の個数: 24

約数和(自身を含む): 40303872

約数和(自身を除く): 18412540

約数列:

[1, 2, 4, 31, 53, 62, 106, 124, 212, 1643, 3286, 3331, 6572, 6662, 13324, 103261, 176543, 206522, 353086, 413044, 706172, 5472833, 10945666, 21891332]

約数ペア:

[(1, 21891332), (2, 10945666), (4, 5472833), (31, 706172), (53, 413044), (62, 353086), (106, 206522), (124, 176543), (212, 103261), (1643, 13324), (3286, 6662), (3331, 6572)]