21480492550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{877}}^1\times {\mathrm{44533}}^1$

素因数の和:45433

約数の個数: 48

約数和(自身を含む): 43636550832

約数和(自身を除く): 22156058282

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 877, 1754, 4385, 8770, 9647, 19294, 21925, 43850, 44533, 48235, 89066, 96470, 222665, 241175, 445330, 482350, 489863, 979726, 1113325, 2226650, 2449315, 4898630, 12246575, 24493150, 39055441, 78110882, 195277205, 390554410, 429609851, 859219702, 976386025, 1952772050, 2148049255, 4296098510, 10740246275, 21480492550]

約数ペア:

[(1, 21480492550), (2, 10740246275), (5, 4296098510), (10, 2148049255), (11, 1952772050), (22, 976386025), (25, 859219702), (50, 429609851), (55, 390554410), (110, 195277205), (275, 78110882), (550, 39055441), (877, 24493150), (1754, 12246575), (4385, 4898630), (8770, 2449315), (9647, 2226650), (19294, 1113325), (21925, 979726), (43850, 489863), (44533, 482350), (48235, 445330), (89066, 241175), (96470, 222665)]