21064128

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{3539}}^1$

素因数の和:3585

約数の個数: 56

約数和(自身を含む): 57546240

約数和(自身を除く): 36482112

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 186, 192, 248, 372, 496, 744, 992, 1488, 1984, 2976, 3539, 5952, 7078, 10617, 14156, 21234, 28312, 42468, 56624, 84936, 109709, 113248, 169872, 219418, 226496, 329127, 339744, 438836, 658254, 679488, 877672, 1316508, 1755344, 2633016, 3510688, 5266032, 7021376, 10532064, 21064128]

約数ペア:

[(1, 21064128), (2, 10532064), (3, 7021376), (4, 5266032), (6, 3510688), (8, 2633016), (12, 1755344), (16, 1316508), (24, 877672), (31, 679488), (32, 658254), (48, 438836), (62, 339744), (64, 329127), (93, 226496), (96, 219418), (124, 169872), (186, 113248), (192, 109709), (248, 84936), (372, 56624), (496, 42468), (744, 28312), (992, 21234), (1488, 14156), (1984, 10617), (2976, 7078), (3539, 5952)]