21620702

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 36059904

約数和(自身を除く): 14439202

約数列:

[1, 2, 17, 31, 34, 62, 73, 146, 281, 527, 562, 1054, 1241, 2263, 2482, 4526, 4777, 8711, 9554, 17422, 20513, 38471, 41026, 76942, 148087, 296174, 348721, 635903, 697442, 1271806, 10810351, 21620702]

約数ペア:

[(1, 21620702), (2, 10810351), (17, 1271806), (31, 697442), (34, 635903), (62, 348721), (73, 296174), (146, 148087), (281, 76942), (527, 41026), (562, 38471), (1054, 20513), (1241, 17422), (2263, 9554), (2482, 8711), (4526, 4777)]