21508775542

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1\times {\mathrm{619}}^1$

素因数の和:1225

約数の個数: 64

約数和(自身を含む): 35997696000

約数和(自身を除く): 14488920458

約数列:

[1, 2, 19, 23, 38, 46, 83, 166, 437, 479, 619, 874, 958, 1238, 1577, 1909, 3154, 3818, 9101, 11017, 11761, 14237, 18202, 22034, 23522, 28474, 36271, 39757, 51377, 72542, 79514, 102754, 209323, 270503, 296501, 418646, 541006, 593002, 755383, 914411, 976163, 1181671, 1510766, 1828822, 1952326, 2363342, 5633519, 6819523, 11267038, 13639046, 17373809, 22451749, 24609583, 34747618, 44903498, 49219166, 129570937, 259141874, 467582077, 566020409, 935164154, 1132040818, 10754387771, 21508775542]

約数ペア:

[(1, 21508775542), (2, 10754387771), (19, 1132040818), (23, 935164154), (38, 566020409), (46, 467582077), (83, 259141874), (166, 129570937), (437, 49219166), (479, 44903498), (619, 34747618), (874, 24609583), (958, 22451749), (1238, 17373809), (1577, 13639046), (1909, 11267038), (3154, 6819523), (3818, 5633519), (9101, 2363342), (11017, 1952326), (11761, 1828822), (14237, 1510766), (18202, 1181671), (22034, 976163), (23522, 914411), (28474, 755383), (36271, 593002), (39757, 541006), (51377, 418646), (72542, 296501), (79514, 270503), (102754, 209323)]