21491076

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{33791}}^1$

素因数の和:33851

約数の個数: 24

約数和(自身を含む): 51093504

約数和(自身を除く): 29602428

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 33791, 67582, 101373, 135164, 202746, 405492, 1790923, 3581846, 5372769, 7163692, 10745538, 21491076]

約数ペア:

[(1, 21491076), (2, 10745538), (3, 7163692), (4, 5372769), (6, 3581846), (12, 1790923), (53, 405492), (106, 202746), (159, 135164), (212, 101373), (318, 67582), (636, 33791)]