21334887

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{719}}^1$

素因数の和:892

約数の個数: 32

約数和(自身を含む): 36403200

約数和(自身を除く): 15068313

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 719, 1099, 1413, 2157, 3297, 4239, 5033, 6471, 9891, 15099, 19413, 29673, 45297, 112883, 135891, 338649, 790181, 1015947, 2370543, 3047841, 7111629, 21334887]

約数ペア:

[(1, 21334887), (3, 7111629), (7, 3047841), (9, 2370543), (21, 1015947), (27, 790181), (63, 338649), (157, 135891), (189, 112883), (471, 45297), (719, 29673), (1099, 19413), (1413, 15099), (2157, 9891), (3297, 6471), (4239, 5033)]