21468128

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:951

約数の個数: 48

約数和(自身を含む): 46811520

約数和(自身を除く): 25343392

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 71, 88, 142, 176, 284, 352, 568, 781, 859, 1136, 1562, 1718, 2272, 3124, 3436, 6248, 6872, 9449, 12496, 13744, 18898, 24992, 27488, 37796, 60989, 75592, 121978, 151184, 243956, 302368, 487912, 670879, 975824, 1341758, 1951648, 2683516, 5367032, 10734064, 21468128]

約数ペア:

[(1, 21468128), (2, 10734064), (4, 5367032), (8, 2683516), (11, 1951648), (16, 1341758), (22, 975824), (32, 670879), (44, 487912), (71, 302368), (88, 243956), (142, 151184), (176, 121978), (284, 75592), (352, 60989), (568, 37796), (781, 27488), (859, 24992), (1136, 18898), (1562, 13744), (1718, 12496), (2272, 9449), (3124, 6872), (3436, 6248)]