21429106790

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4409}}^1$

素因数の和:4559

約数の個数: 128

約数和(自身を含む): 48898080000

約数和(自身を除く): 27468973210

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 109, 130, 182, 218, 245, 343, 455, 490, 545, 637, 686, 763, 910, 1090, 1274, 1417, 1526, 1715, 2834, 3185, 3430, 3815, 4409, 4459, 5341, 6370, 7085, 7630, 8818, 8918, 9919, 10682, 14170, 19838, 22045, 22295, 26705, 30863, 37387, 44090, 44590, 49595, 53410, 57317, 61726, 69433, 74774, 99190, 114634, 138866, 154315, 186935, 216041, 286585, 308630, 347165, 373870, 401219, 432082, 480581, 486031, 573170, 694330, 802438, 961162, 972062, 1080205, 1512287, 2006095, 2160410, 2402905, 2430155, 2808533, 3024574, 3364067, 4012190, 4805810, 4860310, 5617066, 6247553, 6728134, 7561435, 12495106, 14042665, 15122870, 16820335, 19659731, 23548469, 28085330, 31237765, 33640670, 39319462, 43732871, 47096938, 62475530, 87465742, 98298655, 117742345, 164839283, 196597310, 218664355, 235484690, 306130097, 329678566, 437328710, 612260194, 824196415, 1530650485, 1648392830, 2142910679, 3061300970, 4285821358, 10714553395, 21429106790]

約数ペア:

[(1, 21429106790), (2, 10714553395), (5, 4285821358), (7, 3061300970), (10, 2142910679), (13, 1648392830), (14, 1530650485), (26, 824196415), (35, 612260194), (49, 437328710), (65, 329678566), (70, 306130097), (91, 235484690), (98, 218664355), (109, 196597310), (130, 164839283), (182, 117742345), (218, 98298655), (245, 87465742), (343, 62475530), (455, 47096938), (490, 43732871), (545, 39319462), (637, 33640670), (686, 31237765), (763, 28085330), (910, 23548469), (1090, 19659731), (1274, 16820335), (1417, 15122870), (1526, 14042665), (1715, 12495106), (2834, 7561435), (3185, 6728134), (3430, 6247553), (3815, 5617066), (4409, 4860310), (4459, 4805810), (5341, 4012190), (6370, 3364067), (7085, 3024574), (7630, 2808533), (8818, 2430155), (8918, 2402905), (9919, 2160410), (10682, 2006095), (14170, 1512287), (19838, 1080205), (22045, 972062), (22295, 961162), (26705, 802438), (30863, 694330), (37387, 573170), (44090, 486031), (44590, 480581), (49595, 432082), (53410, 401219), (57317, 373870), (61726, 347165), (69433, 308630), (74774, 286585), (99190, 216041), (114634, 186935), (138866, 154315)]