21563226

素因数分解:

$2^1\times 3^3\times {\mathrm{197}}^1\times {\mathrm{2027}}^1$

素因数の和:2235

約数の個数: 32

約数和(自身を含む): 48185280

約数和(自身を除く): 26622054

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 197, 394, 591, 1182, 1773, 2027, 3546, 4054, 5319, 6081, 10638, 12162, 18243, 36486, 54729, 109458, 399319, 798638, 1197957, 2395914, 3593871, 7187742, 10781613, 21563226]

約数ペア:

[(1, 21563226), (2, 10781613), (3, 7187742), (6, 3593871), (9, 2395914), (18, 1197957), (27, 798638), (54, 399319), (197, 109458), (394, 54729), (591, 36486), (1182, 18243), (1773, 12162), (2027, 10638), (3546, 6081), (4054, 5319)]