21461902

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 41893632

約数和(自身を除く): 20431730

約数列:

[1, 2, 7, 11, 14, 22, 43, 49, 77, 86, 98, 154, 301, 463, 473, 539, 602, 926, 946, 1078, 2107, 3241, 3311, 4214, 5093, 6482, 6622, 10186, 19909, 22687, 23177, 35651, 39818, 45374, 46354, 71302, 139363, 218999, 249557, 278726, 437998, 499114, 975541, 1532993, 1951082, 3065986, 10730951, 21461902]

約数ペア:

[(1, 21461902), (2, 10730951), (7, 3065986), (11, 1951082), (14, 1532993), (22, 975541), (43, 499114), (49, 437998), (77, 278726), (86, 249557), (98, 218999), (154, 139363), (301, 71302), (463, 46354), (473, 45374), (539, 39818), (602, 35651), (926, 23177), (946, 22687), (1078, 19909), (2107, 10186), (3241, 6622), (3311, 6482), (4214, 5093)]