21076090945

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{10487}}^1$

素因数の和:11150

約数の個数: 48

約数和(自身を含む): 31736855808

約数和(自身を除く): 10660764863

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 631, 637, 3155, 3185, 4417, 8203, 10487, 22085, 30919, 41015, 52435, 57421, 73409, 136331, 154595, 287105, 367045, 401947, 513863, 681655, 954317, 2009735, 2569315, 4771585, 6617297, 6680219, 33086485, 33401095, 46321079, 86024861, 231605395, 324247553, 430124305, 602174027, 1621237765, 3010870135, 4215218189, 21076090945]

約数ペア:

[(1, 21076090945), (5, 4215218189), (7, 3010870135), (13, 1621237765), (35, 602174027), (49, 430124305), (65, 324247553), (91, 231605395), (245, 86024861), (455, 46321079), (631, 33401095), (637, 33086485), (3155, 6680219), (3185, 6617297), (4417, 4771585), (8203, 2569315), (10487, 2009735), (22085, 954317), (30919, 681655), (41015, 513863), (52435, 401947), (57421, 367045), (73409, 287105), (136331, 154595)]