21085570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2861}}^1$

素因数の和:2946

約数の個数: 32

約数和(自身を含む): 42037056

約数和(自身を除く): 20951486

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 110, 134, 335, 670, 737, 1474, 2861, 3685, 5722, 7370, 14305, 28610, 31471, 62942, 157355, 191687, 314710, 383374, 958435, 1916870, 2108557, 4217114, 10542785, 21085570]

約数ペア:

[(1, 21085570), (2, 10542785), (5, 4217114), (10, 2108557), (11, 1916870), (22, 958435), (55, 383374), (67, 314710), (110, 191687), (134, 157355), (335, 62942), (670, 31471), (737, 28610), (1474, 14305), (2861, 7370), (3685, 5722)]