21797732

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 43775424

約数和(自身を除く): 21977692

約数列:

[1, 2, 4, 11, 22, 41, 43, 44, 82, 86, 164, 172, 281, 451, 473, 562, 902, 946, 1124, 1763, 1804, 1892, 3091, 3526, 6182, 7052, 11521, 12083, 12364, 19393, 23042, 24166, 38786, 46084, 48332, 77572, 126731, 132913, 253462, 265826, 495403, 506924, 531652, 990806, 1981612, 5449433, 10898866, 21797732]

約数ペア:

[(1, 21797732), (2, 10898866), (4, 5449433), (11, 1981612), (22, 990806), (41, 531652), (43, 506924), (44, 495403), (82, 265826), (86, 253462), (164, 132913), (172, 126731), (281, 77572), (451, 48332), (473, 46084), (562, 38786), (902, 24166), (946, 23042), (1124, 19393), (1763, 12364), (1804, 12083), (1892, 11521), (3091, 7052), (3526, 6182)]