21263902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{33329}}^1$

素因数の和:33371

約数の個数: 16

約数和(自身を含む): 35996400

約数和(自身を除く): 14732498

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 33329, 66658, 366619, 733238, 966541, 1933082, 10631951, 21263902]

約数ペア:

[(1, 21263902), (2, 10631951), (11, 1933082), (22, 966541), (29, 733238), (58, 366619), (319, 66658), (638, 33329)]