21891567292

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6918953}}^1$

素因数の和:6919077

約数の個数: 24

約数和(自身を含む): 44170602336

約数和(自身を除く): 22279035044

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6918953, 13837906, 27675812, 48432671, 96865342, 193730684, 781841689, 1563683378, 3127366756, 5472891823, 10945783646, 21891567292]

約数ペア:

[(1, 21891567292), (2, 10945783646), (4, 5472891823), (7, 3127366756), (14, 1563683378), (28, 781841689), (113, 193730684), (226, 96865342), (452, 48432671), (791, 27675812), (1582, 13837906), (3164, 6918953)]