21076319290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1276579}}^1$

素因数の和:1276726

約数の個数: 32

約数和(自身を含む): 41177364480

約数和(自身を除く): 20101045190

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 254, 635, 1270, 1651, 3302, 8255, 16510, 1276579, 2553158, 6382895, 12765790, 16595527, 33191054, 82977635, 162125533, 165955270, 324251066, 810627665, 1621255330, 2107631929, 4215263858, 10538159645, 21076319290]

約数ペア:

[(1, 21076319290), (2, 10538159645), (5, 4215263858), (10, 2107631929), (13, 1621255330), (26, 810627665), (65, 324251066), (127, 165955270), (130, 162125533), (254, 82977635), (635, 33191054), (1270, 16595527), (1651, 12765790), (3302, 6382895), (8255, 2553158), (16510, 1276579)]