21511124128

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{1567}}^1\times {\mathrm{32999}}^1$

素因数の和:34589

約数の個数: 48

約数和(自身を含む): 45638208000

約数和(自身を除く): 24127083872

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 1567, 3134, 6268, 12536, 20371, 25072, 32999, 40742, 50144, 65998, 81484, 131996, 162968, 263992, 325936, 428987, 527984, 651872, 857974, 1055968, 1715948, 3431896, 6863792, 13727584, 51709433, 103418866, 206837732, 413675464, 672222629, 827350928, 1344445258, 1654701856, 2688890516, 5377781032, 10755562064, 21511124128]

約数ペア:

[(1, 21511124128), (2, 10755562064), (4, 5377781032), (8, 2688890516), (13, 1654701856), (16, 1344445258), (26, 827350928), (32, 672222629), (52, 413675464), (104, 206837732), (208, 103418866), (416, 51709433), (1567, 13727584), (3134, 6863792), (6268, 3431896), (12536, 1715948), (20371, 1055968), (25072, 857974), (32999, 651872), (40742, 527984), (50144, 428987), (65998, 325936), (81484, 263992), (131996, 162968)]