21063630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 41144370

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 49, 69, 70, 89, 98, 105, 115, 138, 147, 161, 178, 210, 230, 245, 267, 294, 322, 343, 345, 445, 483, 490, 534, 623, 686, 690, 735, 805, 890, 966, 1029, 1127, 1246, 1335, 1470, 1610, 1715, 1869, 2047, 2058, 2254, 2415, 2670, 3115, 3381, 3430, 3738, 4094, 4361, 4830, 5145, 5635, 6141, 6230, 6762, 7889, 8722, 9345, 10235, 10290, 11270, 12282, 13083, 14329, 15778, 16905, 18690, 20470, 21805, 23667, 26166, 28658, 30527, 30705, 33810, 39445, 42987, 43610, 47334, 61054, 61410, 65415, 71645, 78890, 85974, 91581, 100303, 118335, 130830, 143290, 152635, 183162, 200606, 214935, 236670, 300909, 305270, 429870, 457905, 501515, 601818, 702121, 915810, 1003030, 1404242, 1504545, 2106363, 3009090, 3510605, 4212726, 7021210, 10531815, 21063630]

約数ペア:

[(1, 21063630), (2, 10531815), (3, 7021210), (5, 4212726), (6, 3510605), (7, 3009090), (10, 2106363), (14, 1504545), (15, 1404242), (21, 1003030), (23, 915810), (30, 702121), (35, 601818), (42, 501515), (46, 457905), (49, 429870), (69, 305270), (70, 300909), (89, 236670), (98, 214935), (105, 200606), (115, 183162), (138, 152635), (147, 143290), (161, 130830), (178, 118335), (210, 100303), (230, 91581), (245, 85974), (267, 78890), (294, 71645), (322, 65415), (343, 61410), (345, 61054), (445, 47334), (483, 43610), (490, 42987), (534, 39445), (623, 33810), (686, 30705), (690, 30527), (735, 28658), (805, 26166), (890, 23667), (966, 21805), (1029, 20470), (1127, 18690), (1246, 16905), (1335, 15778), (1470, 14329), (1610, 13083), (1715, 12282), (1869, 11270), (2047, 10290), (2058, 10235), (2254, 9345), (2415, 8722), (2670, 7889), (3115, 6762), (3381, 6230), (3430, 6141), (3738, 5635), (4094, 5145), (4361, 4830)]