21041181

素因数分解:

$3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{683}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 35896320

約数和(自身を除く): 14855139

約数列:

[1, 3, 7, 9, 21, 27, 63, 163, 189, 489, 683, 1141, 1467, 2049, 3423, 4401, 4781, 6147, 10269, 14343, 18441, 30807, 43029, 111329, 129087, 333987, 779303, 1001961, 2337909, 3005883, 7013727, 21041181]

約数ペア:

[(1, 21041181), (3, 7013727), (7, 3005883), (9, 2337909), (21, 1001961), (27, 779303), (63, 333987), (163, 129087), (189, 111329), (489, 43029), (683, 30807), (1141, 18441), (1467, 14343), (2049, 10269), (3423, 6147), (4401, 4781)]