21620318042

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{15739}}^1\times {\mathrm{15973}}^1$

素因数の和:31757

約数の個数: 16

約数和(自身を含む): 33188860320

約数和(自身を除く): 11568542278

約数列:

[1, 2, 43, 86, 15739, 15973, 31478, 31946, 676777, 686839, 1353554, 1373678, 251399047, 502798094, 10810159021, 21620318042]

約数ペア:

[(1, 21620318042), (2, 10810159021), (43, 502798094), (86, 251399047), (15739, 1373678), (15973, 1353554), (31478, 686839), (31946, 676777)]