21861070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 51710400

約数和(自身を除く): 29849330

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 29, 35, 55, 58, 70, 77, 89, 110, 121, 145, 154, 178, 203, 242, 290, 319, 385, 406, 445, 605, 623, 638, 770, 847, 890, 979, 1015, 1210, 1246, 1595, 1694, 1958, 2030, 2233, 2581, 3115, 3190, 3509, 4235, 4466, 4895, 5162, 6230, 6853, 7018, 8470, 9790, 10769, 11165, 12905, 13706, 17545, 18067, 21538, 22330, 24563, 25810, 28391, 34265, 35090, 36134, 49126, 53845, 56782, 68530, 75383, 90335, 107690, 122815, 141955, 150766, 180670, 198737, 245630, 283910, 312301, 376915, 397474, 624602, 753830, 993685, 1561505, 1987370, 2186107, 3123010, 4372214, 10930535, 21861070]

約数ペア:

[(1, 21861070), (2, 10930535), (5, 4372214), (7, 3123010), (10, 2186107), (11, 1987370), (14, 1561505), (22, 993685), (29, 753830), (35, 624602), (55, 397474), (58, 376915), (70, 312301), (77, 283910), (89, 245630), (110, 198737), (121, 180670), (145, 150766), (154, 141955), (178, 122815), (203, 107690), (242, 90335), (290, 75383), (319, 68530), (385, 56782), (406, 53845), (445, 49126), (605, 36134), (623, 35090), (638, 34265), (770, 28391), (847, 25810), (890, 24563), (979, 22330), (1015, 21538), (1210, 18067), (1246, 17545), (1595, 13706), (1694, 12905), (1958, 11165), (2030, 10769), (2233, 9790), (2581, 8470), (3115, 7018), (3190, 6853), (3509, 6230), (4235, 5162), (4466, 4895)]